66987415

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{263}}^1\times {\mathrm{421}}^1$

素因数の和:711

約数の個数: 24

約数和(自身を含む): 88903584

約数和(自身を除く): 21916169

約数列:

[1, 5, 11, 55, 121, 263, 421, 605, 1315, 2105, 2893, 4631, 14465, 23155, 31823, 50941, 110723, 159115, 254705, 553615, 1217953, 6089765, 13397483, 66987415]

約数ペア:

[(1, 66987415), (5, 13397483), (11, 6089765), (55, 1217953), (121, 553615), (263, 254705), (421, 159115), (605, 110723), (1315, 50941), (2105, 31823), (2893, 23155), (4631, 14465)]