28210975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1423}}^1$

素因数の和:1507

約数の個数: 24

約数和(自身を含む): 38316992

約数和(自身を除く): 10106017

約数列:

[1, 5, 13, 25, 61, 65, 305, 325, 793, 1423, 1525, 3965, 7115, 18499, 19825, 35575, 86803, 92495, 434015, 462475, 1128439, 2170075, 5642195, 28210975]

約数ペア:

[(1, 28210975), (5, 5642195), (13, 2170075), (25, 1128439), (61, 462475), (65, 434015), (305, 92495), (325, 86803), (793, 35575), (1423, 19825), (1525, 18499), (3965, 7115)]