78820357

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 101493504

約数和(自身を除く): 22673147

約数列:

[1, 7, 11, 61, 77, 97, 173, 427, 671, 679, 1067, 1211, 1903, 4697, 5917, 7469, 10553, 13321, 16781, 41419, 65087, 73871, 116083, 117467, 184591, 455609, 812581, 1023641, 1292137, 7165487, 11260051, 78820357]

約数ペア:

[(1, 78820357), (7, 11260051), (11, 7165487), (61, 1292137), (77, 1023641), (97, 812581), (173, 455609), (427, 184591), (671, 117467), (679, 116083), (1067, 73871), (1211, 65087), (1903, 41419), (4697, 16781), (5917, 13321), (7469, 10553)]