81897914

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{28817}}^1$

素因数の和:28862

約数の個数: 24

約数和(自身を含む): 147836340

約数和(自身を除く): 65938426

約数列:

[1, 2, 7, 14, 29, 49, 58, 98, 203, 406, 1421, 2842, 28817, 57634, 201719, 403438, 835693, 1412033, 1671386, 2824066, 5849851, 11699702, 40948957, 81897914]

約数ペア:

[(1, 81897914), (2, 40948957), (7, 11699702), (14, 5849851), (29, 2824066), (49, 1671386), (58, 1412033), (98, 835693), (203, 403438), (406, 201719), (1421, 57634), (2842, 28817)]