12493715

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 17248896

約数和(自身を除く): 4755181

約数列:

[1, 5, 13, 23, 61, 65, 115, 137, 299, 305, 685, 793, 1403, 1495, 1781, 3151, 3965, 7015, 8357, 8905, 15755, 18239, 40963, 41785, 91195, 108641, 192211, 204815, 543205, 961055, 2498743, 12493715]

約数ペア:

[(1, 12493715), (5, 2498743), (13, 961055), (23, 543205), (61, 204815), (65, 192211), (115, 108641), (137, 91195), (299, 41785), (305, 40963), (685, 18239), (793, 15755), (1403, 8905), (1495, 8357), (1781, 7015), (3151, 3965)]