655001978

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{631}}^1\times {\mathrm{12659}}^1$

素因数の和:13333

約数の個数: 16

約数和(自身を含む): 1008141120

約数和(自身を除く): 353139142

約数列:

[1, 2, 41, 82, 631, 1262, 12659, 25318, 25871, 51742, 519019, 1038038, 7987829, 15975658, 327500989, 655001978]

約数ペア:

[(1, 655001978), (2, 327500989), (41, 15975658), (82, 7987829), (631, 1038038), (1262, 519019), (12659, 51742), (25318, 25871)]