81086572

素因数分解:

$2^2\times 7^4\times {\mathrm{8443}}^1$

素因数の和:8475

約数の個数: 30

約数和(自身を含む): 165561508

約数和(自身を除く): 84474936

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 2401, 4802, 8443, 9604, 16886, 33772, 59101, 118202, 236404, 413707, 827414, 1654828, 2895949, 5791898, 11583796, 20271643, 40543286, 81086572]

約数ペア:

[(1, 81086572), (2, 40543286), (4, 20271643), (7, 11583796), (14, 5791898), (28, 2895949), (49, 1654828), (98, 827414), (196, 413707), (343, 236404), (686, 118202), (1372, 59101), (2401, 33772), (4802, 16886), (8443, 9604)]