291270275

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{617}}^1\times {\mathrm{821}}^1$

素因数の和:1471

約数の個数: 24

約数和(自身を含む): 377949024

約数和(自身を除く): 86678749

約数列:

[1, 5, 23, 25, 115, 575, 617, 821, 3085, 4105, 14191, 15425, 18883, 20525, 70955, 94415, 354775, 472075, 506557, 2532785, 11650811, 12663925, 58254055, 291270275]

約数ペア:

[(1, 291270275), (5, 58254055), (23, 12663925), (25, 11650811), (115, 2532785), (575, 506557), (617, 472075), (821, 354775), (3085, 94415), (4105, 70955), (14191, 20525), (15425, 18883)]