31699664

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:407

約数の個数: 40

約数和(自身を含む): 62975880

約数和(自身を除く): 31276216

約数列:

[1, 2, 4, 8, 16, 89, 113, 178, 197, 226, 356, 394, 452, 712, 788, 904, 1424, 1576, 1808, 3152, 10057, 17533, 20114, 22261, 35066, 40228, 44522, 70132, 80456, 89044, 140264, 160912, 178088, 280528, 356176, 1981229, 3962458, 7924916, 15849832, 31699664]

約数ペア:

[(1, 31699664), (2, 15849832), (4, 7924916), (8, 3962458), (16, 1981229), (89, 356176), (113, 280528), (178, 178088), (197, 160912), (226, 140264), (356, 89044), (394, 80456), (452, 70132), (712, 44522), (788, 40228), (904, 35066), (1424, 22261), (1576, 20114), (1808, 17533), (3152, 10057)]