1648396490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{667367}}^1$

素因数の和:667406

約数の個数: 32

約数和(自身を含む): 3363534720

約数和(自身を除く): 1715138230

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 667367, 1334734, 3336835, 6673670, 8675771, 12679973, 17351542, 25359946, 43378855, 63399865, 86757710, 126799730, 164839649, 329679298, 824198245, 1648396490]

約数ペア:

[(1, 1648396490), (2, 824198245), (5, 329679298), (10, 164839649), (13, 126799730), (19, 86757710), (26, 63399865), (38, 43378855), (65, 25359946), (95, 17351542), (130, 12679973), (190, 8675771), (247, 6673670), (494, 3336835), (1235, 1334734), (2470, 667367)]