1312590721

素因数分解:

${\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{2503}}^1$

素因数の和:2665

約数の個数: 24

約数和(自身を含む): 1484671680

約数和(自身を除く): 172080959

約数列:

[1, 13, 29, 107, 169, 377, 1391, 2503, 3103, 4901, 18083, 32539, 40339, 72587, 267821, 423007, 524407, 943631, 3481673, 7766809, 12267203, 45261749, 100968517, 1312590721]

約数ペア:

[(1, 1312590721), (13, 100968517), (29, 45261749), (107, 12267203), (169, 7766809), (377, 3481673), (1391, 943631), (2503, 524407), (3103, 423007), (4901, 267821), (18083, 72587), (32539, 40339)]