81877688

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{28351}}^1$

素因数の和:28395

約数の個数: 24

約数和(自身を含む): 162031680

約数和(自身を除く): 80153992

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 361, 722, 1444, 2888, 28351, 56702, 113404, 226808, 538669, 1077338, 2154676, 4309352, 10234711, 20469422, 40938844, 81877688]

約数ペア:

[(1, 81877688), (2, 40938844), (4, 20469422), (8, 10234711), (19, 4309352), (38, 2154676), (76, 1077338), (152, 538669), (361, 226808), (722, 113404), (1444, 56702), (2888, 28351)]