968756815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{21383}}^1$

素因数の和:21459

約数の個数: 32

約数和(自身を含む): 1357969536

約数和(自身を除く): 389212721

約数列:

[1, 5, 13, 17, 41, 65, 85, 205, 221, 533, 697, 1105, 2665, 3485, 9061, 21383, 45305, 106915, 277979, 363511, 876703, 1389895, 1817555, 4383515, 4725643, 11397139, 14903951, 23628215, 56985695, 74519755, 193751363, 968756815]

約数ペア:

[(1, 968756815), (5, 193751363), (13, 74519755), (17, 56985695), (41, 23628215), (65, 14903951), (85, 11397139), (205, 4725643), (221, 4383515), (533, 1817555), (697, 1389895), (1105, 876703), (2665, 363511), (3485, 277979), (9061, 106915), (21383, 45305)]