87665788

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{691}}^1$

素因数の和:922

約数の個数: 48

約数和(自身を含む): 184149504

約数和(自身を除く): 96483716

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 197, 322, 394, 644, 691, 788, 1379, 1382, 2758, 2764, 4531, 4837, 5516, 9062, 9674, 15893, 18124, 19348, 31717, 31786, 63434, 63572, 111251, 126868, 136127, 222502, 272254, 445004, 544508, 952889, 1905778, 3130921, 3811556, 6261842, 12523684, 21916447, 43832894, 87665788]

約数ペア:

[(1, 87665788), (2, 43832894), (4, 21916447), (7, 12523684), (14, 6261842), (23, 3811556), (28, 3130921), (46, 1905778), (92, 952889), (161, 544508), (197, 445004), (322, 272254), (394, 222502), (644, 136127), (691, 126868), (788, 111251), (1379, 63572), (1382, 63434), (2758, 31786), (2764, 31717), (4531, 19348), (4837, 18124), (5516, 15893), (9062, 9674)]