2113345

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:133

約数の個数: 24

約数和(自身を含む): 2859192

約数和(自身を除く): 745847

約数列:

[1, 5, 13, 41, 61, 65, 169, 205, 305, 533, 793, 845, 2501, 2665, 3965, 6929, 10309, 12505, 32513, 34645, 51545, 162565, 422669, 2113345]

約数ペア:

[(1, 2113345), (5, 422669), (13, 162565), (41, 51545), (61, 34645), (65, 32513), (169, 12505), (205, 10309), (305, 6929), (533, 3965), (793, 2665), (845, 2501)]