31971227905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1\times {\mathrm{6563}}^1$

素因数の和:7065

約数の個数: 32

約数和(自身を含む): 40969442304

約数和(自身を除く): 8998214399

約数列:

[1, 5, 17, 85, 223, 257, 1115, 1285, 3791, 4369, 6563, 18955, 21845, 32815, 57311, 111571, 286555, 557855, 974287, 1463549, 1686691, 4871435, 7317745, 8433455, 24880333, 28673747, 124401665, 143368735, 376132093, 1880660465, 6394245581, 31971227905]

約数ペア:

[(1, 31971227905), (5, 6394245581), (17, 1880660465), (85, 376132093), (223, 143368735), (257, 124401665), (1115, 28673747), (1285, 24880333), (3791, 8433455), (4369, 7317745), (6563, 4871435), (18955, 1686691), (21845, 1463549), (32815, 974287), (57311, 557855), (111571, 286555)]