31308475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 46309536

約数和(自身を除く): 15001061

約数列:

[1, 5, 11, 17, 25, 37, 55, 85, 181, 185, 187, 275, 407, 425, 629, 905, 925, 935, 1991, 2035, 3077, 3145, 4525, 4675, 6697, 6919, 9955, 10175, 15385, 15725, 33485, 33847, 34595, 49775, 73667, 76925, 113849, 167425, 169235, 172975, 368335, 569245, 846175, 1252339, 1841675, 2846225, 6261695, 31308475]

約数ペア:

[(1, 31308475), (5, 6261695), (11, 2846225), (17, 1841675), (25, 1252339), (37, 846175), (55, 569245), (85, 368335), (181, 172975), (185, 169235), (187, 167425), (275, 113849), (407, 76925), (425, 73667), (629, 49775), (905, 34595), (925, 33847), (935, 33485), (1991, 15725), (2035, 15385), (3077, 10175), (3145, 9955), (4525, 6919), (4675, 6697)]