81699618

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:320

約数の個数: 128

約数和(自身を含む): 223985664

約数和(自身を除く): 142286046

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 21, 22, 26, 33, 39, 42, 61, 66, 77, 78, 91, 122, 143, 154, 182, 183, 223, 231, 273, 286, 366, 427, 429, 446, 462, 546, 669, 671, 793, 854, 858, 1001, 1281, 1338, 1342, 1561, 1586, 2002, 2013, 2379, 2453, 2562, 2899, 3003, 3122, 4026, 4683, 4697, 4758, 4906, 5551, 5798, 6006, 7359, 8697, 8723, 9366, 9394, 11102, 13603, 14091, 14718, 16653, 17171, 17394, 17446, 20293, 26169, 27206, 28182, 31889, 33306, 34342, 40586, 40809, 51513, 52338, 60879, 61061, 63778, 81618, 95221, 95667, 103026, 121758, 122122, 149633, 176839, 183183, 190442, 191334, 223223, 285663, 299266, 353678, 366366, 446446, 448899, 530517, 571326, 669669, 897798, 1047431, 1061034, 1237873, 1339338, 1945229, 2094862, 2475746, 3142293, 3713619, 3890458, 5835687, 6284586, 7427238, 11671374, 13616603, 27233206, 40849809, 81699618]

約数ペア:

[(1, 81699618), (2, 40849809), (3, 27233206), (6, 13616603), (7, 11671374), (11, 7427238), (13, 6284586), (14, 5835687), (21, 3890458), (22, 3713619), (26, 3142293), (33, 2475746), (39, 2094862), (42, 1945229), (61, 1339338), (66, 1237873), (77, 1061034), (78, 1047431), (91, 897798), (122, 669669), (143, 571326), (154, 530517), (182, 448899), (183, 446446), (223, 366366), (231, 353678), (273, 299266), (286, 285663), (366, 223223), (427, 191334), (429, 190442), (446, 183183), (462, 176839), (546, 149633), (669, 122122), (671, 121758), (793, 103026), (854, 95667), (858, 95221), (1001, 81618), (1281, 63778), (1338, 61061), (1342, 60879), (1561, 52338), (1586, 51513), (2002, 40809), (2013, 40586), (2379, 34342), (2453, 33306), (2562, 31889), (2899, 28182), (3003, 27206), (3122, 26169), (4026, 20293), (4683, 17446), (4697, 17394), (4758, 17171), (4906, 16653), (5551, 14718), (5798, 14091), (6006, 13603), (7359, 11102), (8697, 9394), (8723, 9366)]