64564565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2273}}^1$

素因数の和:2333

約数の個数: 32

約数和(自身を含む): 91687680

約数和(自身を除く): 27123115

約数列:

[1, 5, 13, 19, 23, 65, 95, 115, 247, 299, 437, 1235, 1495, 2185, 2273, 5681, 11365, 28405, 29549, 43187, 52279, 147745, 215935, 261395, 561431, 679627, 993301, 2807155, 3398135, 4966505, 12912913, 64564565]

約数ペア:

[(1, 64564565), (5, 12912913), (13, 4966505), (19, 3398135), (23, 2807155), (65, 993301), (95, 679627), (115, 561431), (247, 261395), (299, 215935), (437, 147745), (1235, 52279), (1495, 43187), (2185, 29549), (2273, 28405), (5681, 11365)]