66441505

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{1289}}^1$

素因数の和:1381

約数の個数: 24

約数和(自身を含む): 87818040

約数和(自身を除く): 21376535

約数列:

[1, 5, 13, 61, 65, 169, 305, 793, 845, 1289, 3965, 6445, 10309, 16757, 51545, 78629, 83785, 217841, 393145, 1022177, 1089205, 5110885, 13288301, 66441505]

約数ペア:

[(1, 66441505), (5, 13288301), (13, 5110885), (61, 1089205), (65, 1022177), (169, 393145), (305, 217841), (793, 83785), (845, 78629), (1289, 51545), (3965, 16757), (6445, 10309)]