31241275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{991}}^1$

素因数の和:1111

約数の個数: 24

約数和(自身を含む): 42191744

約数和(自身を除く): 10950469

約数列:

[1, 5, 13, 25, 65, 97, 325, 485, 991, 1261, 2425, 4955, 6305, 12883, 24775, 31525, 64415, 96127, 322075, 480635, 1249651, 2403175, 6248255, 31241275]

約数ペア:

[(1, 31241275), (5, 6248255), (13, 2403175), (25, 1249651), (65, 480635), (97, 322075), (325, 96127), (485, 64415), (991, 31525), (1261, 24775), (2425, 12883), (4955, 6305)]