128217852

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:536

約数の個数: 144

約数和(自身を含む): 397196800

約数和(自身を除く): 268978948

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 61, 63, 76, 84, 114, 122, 126, 133, 171, 183, 228, 244, 252, 266, 342, 366, 399, 427, 439, 532, 549, 684, 732, 798, 854, 878, 1098, 1159, 1197, 1281, 1317, 1596, 1708, 1756, 2196, 2318, 2394, 2562, 2634, 3073, 3477, 3843, 3951, 4636, 4788, 5124, 5268, 6146, 6954, 7686, 7902, 8113, 8341, 9219, 10431, 12292, 13908, 15372, 15804, 16226, 16682, 18438, 20862, 24339, 25023, 26779, 27657, 32452, 33364, 36876, 41724, 48678, 50046, 53558, 55314, 58387, 73017, 75069, 80337, 97356, 100092, 107116, 110628, 116774, 146034, 150138, 160674, 175161, 187453, 233548, 241011, 292068, 300276, 321348, 350322, 374906, 482022, 508801, 525483, 562359, 700644, 749812, 964044, 1017602, 1050966, 1124718, 1526403, 1687077, 2035204, 2101932, 2249436, 3052806, 3374154, 3561607, 4579209, 6105612, 6748308, 7123214, 9158418, 10684821, 14246428, 18316836, 21369642, 32054463, 42739284, 64108926, 128217852]

約数ペア:

[(1, 128217852), (2, 64108926), (3, 42739284), (4, 32054463), (6, 21369642), (7, 18316836), (9, 14246428), (12, 10684821), (14, 9158418), (18, 7123214), (19, 6748308), (21, 6105612), (28, 4579209), (36, 3561607), (38, 3374154), (42, 3052806), (57, 2249436), (61, 2101932), (63, 2035204), (76, 1687077), (84, 1526403), (114, 1124718), (122, 1050966), (126, 1017602), (133, 964044), (171, 749812), (183, 700644), (228, 562359), (244, 525483), (252, 508801), (266, 482022), (342, 374906), (366, 350322), (399, 321348), (427, 300276), (439, 292068), (532, 241011), (549, 233548), (684, 187453), (732, 175161), (798, 160674), (854, 150138), (878, 146034), (1098, 116774), (1159, 110628), (1197, 107116), (1281, 100092), (1317, 97356), (1596, 80337), (1708, 75069), (1756, 73017), (2196, 58387), (2318, 55314), (2394, 53558), (2562, 50046), (2634, 48678), (3073, 41724), (3477, 36876), (3843, 33364), (3951, 32452), (4636, 27657), (4788, 26779), (5124, 25023), (5268, 24339), (6146, 20862), (6954, 18438), (7686, 16682), (7902, 16226), (8113, 15804), (8341, 15372), (9219, 13908), (10431, 12292)]