77870798

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1\times {\mathrm{991}}^1$

素因数の和:1483

約数の個数: 16

約数和(自身を含む): 118385280

約数和(自身を除く): 40514482

約数列:

[1, 2, 101, 202, 389, 778, 991, 1982, 39289, 78578, 100091, 200182, 385499, 770998, 38935399, 77870798]

約数ペア:

[(1, 77870798), (2, 38935399), (101, 770998), (202, 385499), (389, 200182), (778, 100091), (991, 78578), (1982, 39289)]