22271405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 30185568

約数和(自身を除く): 7914163

約数列:

[1, 5, 13, 41, 61, 65, 137, 205, 305, 533, 685, 793, 1781, 2501, 2665, 3965, 5617, 8357, 8905, 12505, 28085, 32513, 41785, 73021, 108641, 162565, 342637, 365105, 543205, 1713185, 4454281, 22271405]

約数ペア:

[(1, 22271405), (5, 4454281), (13, 1713185), (41, 543205), (61, 365105), (65, 342637), (137, 162565), (205, 108641), (305, 73021), (533, 41785), (685, 32513), (793, 28085), (1781, 12505), (2501, 8905), (2665, 8357), (3965, 5617)]