31438550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4397}}^1$

素因数の和:4433

約数の個数: 48

約数和(自身を含む): 68714352

約数和(自身を除く): 37275802

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 275, 286, 325, 550, 650, 715, 1430, 3575, 4397, 7150, 8794, 21985, 43970, 48367, 57161, 96734, 109925, 114322, 219850, 241835, 285805, 483670, 571610, 628771, 1209175, 1257542, 1429025, 2418350, 2858050, 3143855, 6287710, 15719275, 31438550]

約数ペア:

[(1, 31438550), (2, 15719275), (5, 6287710), (10, 3143855), (11, 2858050), (13, 2418350), (22, 1429025), (25, 1257542), (26, 1209175), (50, 628771), (55, 571610), (65, 483670), (110, 285805), (130, 241835), (143, 219850), (275, 114322), (286, 109925), (325, 96734), (550, 57161), (650, 48367), (715, 43970), (1430, 21985), (3575, 8794), (4397, 7150)]