27988654

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{20981}}^1$

素因数の和:21035

約数の個数: 16

約数和(自身を含む): 45321120

約数和(自身を除く): 17332466

約数列:

[1, 2, 23, 29, 46, 58, 667, 1334, 20981, 41962, 482563, 608449, 965126, 1216898, 13994327, 27988654]

約数ペア:

[(1, 27988654), (2, 13994327), (23, 1216898), (29, 965126), (46, 608449), (58, 482563), (667, 41962), (1334, 20981)]