61351990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{21377}}^1$

素因数の和:21432

約数の個数: 32

約数和(自身を含む): 129294144

約数和(自身を除く): 67942154

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870, 21377, 42754, 106885, 149639, 213770, 299278, 748195, 876457, 1496390, 1752914, 4382285, 6135199, 8764570, 12270398, 30675995, 61351990]

約数ペア:

[(1, 61351990), (2, 30675995), (5, 12270398), (7, 8764570), (10, 6135199), (14, 4382285), (35, 1752914), (41, 1496390), (70, 876457), (82, 748195), (205, 299278), (287, 213770), (410, 149639), (574, 106885), (1435, 42754), (2870, 21377)]