64538305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 87056928

約数和(自身を除く): 22518623

約数列:

[1, 5, 13, 41, 61, 65, 205, 305, 397, 533, 793, 1985, 2501, 2665, 3965, 5161, 12505, 16277, 24217, 25805, 32513, 81385, 121085, 162565, 211601, 314821, 992897, 1058005, 1574105, 4964485, 12907661, 64538305]

約数ペア:

[(1, 64538305), (5, 12907661), (13, 4964485), (41, 1574105), (61, 1058005), (65, 992897), (205, 314821), (305, 211601), (397, 162565), (533, 121085), (793, 81385), (1985, 32513), (2501, 25805), (2665, 24217), (3965, 16277), (5161, 12505)]