1278889794

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:345

約数の個数: 192

約数和(自身を含む): 3544369920

約数和(自身を除く): 2265480126

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 41, 42, 63, 78, 82, 91, 117, 123, 126, 137, 139, 182, 234, 246, 273, 274, 278, 287, 369, 411, 417, 533, 546, 574, 738, 819, 822, 834, 861, 959, 973, 1066, 1233, 1251, 1599, 1638, 1722, 1781, 1807, 1918, 1946, 2466, 2502, 2583, 2877, 2919, 3198, 3562, 3614, 3731, 4797, 5166, 5343, 5421, 5617, 5699, 5754, 5838, 7462, 8631, 8757, 9594, 10686, 10842, 11193, 11234, 11398, 12467, 12649, 16029, 16263, 16851, 17097, 17262, 17514, 19043, 22386, 24934, 25298, 32058, 32526, 33579, 33702, 34194, 37401, 37947, 38086, 39319, 39893, 50553, 51291, 57129, 67158, 73021, 74087, 74802, 75894, 78638, 79786, 101106, 102582, 112203, 113841, 114258, 117957, 119679, 133301, 146042, 148174, 171387, 219063, 222261, 224406, 227682, 235914, 239358, 247559, 266602, 342774, 353871, 359037, 399903, 438126, 444522, 495118, 511147, 518609, 657189, 666783, 707742, 718074, 742677, 780763, 799806, 1022294, 1037218, 1199709, 1314378, 1333566, 1485354, 1533441, 1555827, 1561526, 1732913, 2228031, 2342289, 2399418, 3066882, 3111654, 3465826, 4456062, 4600323, 4667481, 4684578, 5198739, 5465341, 7026867, 9200646, 9334962, 10149919, 10397478, 10930682, 14053734, 15596217, 16396023, 20299838, 30449757, 31192434, 32792046, 49188069, 60899514, 71049433, 91349271, 98376138, 142098866, 182698542, 213148299, 426296598, 639444897, 1278889794]

約数ペア:

[(1, 1278889794), (2, 639444897), (3, 426296598), (6, 213148299), (7, 182698542), (9, 142098866), (13, 98376138), (14, 91349271), (18, 71049433), (21, 60899514), (26, 49188069), (39, 32792046), (41, 31192434), (42, 30449757), (63, 20299838), (78, 16396023), (82, 15596217), (91, 14053734), (117, 10930682), (123, 10397478), (126, 10149919), (137, 9334962), (139, 9200646), (182, 7026867), (234, 5465341), (246, 5198739), (273, 4684578), (274, 4667481), (278, 4600323), (287, 4456062), (369, 3465826), (411, 3111654), (417, 3066882), (533, 2399418), (546, 2342289), (574, 2228031), (738, 1732913), (819, 1561526), (822, 1555827), (834, 1533441), (861, 1485354), (959, 1333566), (973, 1314378), (1066, 1199709), (1233, 1037218), (1251, 1022294), (1599, 799806), (1638, 780763), (1722, 742677), (1781, 718074), (1807, 707742), (1918, 666783), (1946, 657189), (2466, 518609), (2502, 511147), (2583, 495118), (2877, 444522), (2919, 438126), (3198, 399903), (3562, 359037), (3614, 353871), (3731, 342774), (4797, 266602), (5166, 247559), (5343, 239358), (5421, 235914), (5617, 227682), (5699, 224406), (5754, 222261), (5838, 219063), (7462, 171387), (8631, 148174), (8757, 146042), (9594, 133301), (10686, 119679), (10842, 117957), (11193, 114258), (11234, 113841), (11398, 112203), (12467, 102582), (12649, 101106), (16029, 79786), (16263, 78638), (16851, 75894), (17097, 74802), (17262, 74087), (17514, 73021), (19043, 67158), (22386, 57129), (24934, 51291), (25298, 50553), (32058, 39893), (32526, 39319), (33579, 38086), (33702, 37947), (34194, 37401)]