81205948

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{163}}^1\times {\mathrm{2111}}^1$

素因数の和:2337

約数の個数: 24

約数和(自身を含む): 145474560

約数和(自身を除く): 64268612

約数列:

[1, 2, 4, 59, 118, 163, 236, 326, 652, 2111, 4222, 8444, 9617, 19234, 38468, 124549, 249098, 344093, 498196, 688186, 1376372, 20301487, 40602974, 81205948]

約数ペア:

[(1, 81205948), (2, 40602974), (4, 20301487), (59, 1376372), (118, 688186), (163, 498196), (236, 344093), (326, 249098), (652, 124549), (2111, 38468), (4222, 19234), (8444, 9617)]