13217785

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 18998784

約数和(自身を除く): 5780999

約数列:

[1, 5, 7, 35, 41, 61, 151, 205, 287, 305, 427, 755, 1057, 1435, 2135, 2501, 5285, 6191, 9211, 12505, 17507, 30955, 43337, 46055, 64477, 87535, 216685, 322385, 377651, 1888255, 2643557, 13217785]

約数ペア:

[(1, 13217785), (5, 2643557), (7, 1888255), (35, 377651), (41, 322385), (61, 216685), (151, 87535), (205, 64477), (287, 46055), (305, 43337), (427, 30955), (755, 17507), (1057, 12505), (1435, 9211), (2135, 6191), (2501, 5285)]