28298855

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{823}}^1$

素因数の和:887

約数の個数: 24

約数和(自身を含む): 38276448

約数和(自身を除く): 9977593

約数列:

[1, 5, 13, 23, 65, 115, 299, 529, 823, 1495, 2645, 4115, 6877, 10699, 18929, 34385, 53495, 94645, 246077, 435367, 1230385, 2176835, 5659771, 28298855]

約数ペア:

[(1, 28298855), (5, 5659771), (13, 2176835), (23, 1230385), (65, 435367), (115, 246077), (299, 94645), (529, 53495), (823, 34385), (1495, 18929), (2645, 10699), (4115, 6877)]