69881645

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{137}}^1\times {\mathrm{353}}^1$

素因数の和:529

約数の個数: 24

約数和(自身を含む): 89985384

約数和(自身を除く): 20103739

約数列:

[1, 5, 17, 85, 137, 289, 353, 685, 1445, 1765, 2329, 6001, 11645, 30005, 39593, 48361, 102017, 197965, 241805, 510085, 822137, 4110685, 13976329, 69881645]

約数ペア:

[(1, 69881645), (5, 13976329), (17, 4110685), (85, 822137), (137, 510085), (289, 241805), (353, 197965), (685, 102017), (1445, 48361), (1765, 39593), (2329, 30005), (6001, 11645)]