13267865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 18095616

約数和(自身を除く): 4827751

約数列:

[1, 5, 13, 43, 47, 65, 101, 215, 235, 505, 559, 611, 1313, 2021, 2795, 3055, 4343, 4747, 6565, 10105, 21715, 23735, 26273, 56459, 61711, 131365, 204121, 282295, 308555, 1020605, 2653573, 13267865]

約数ペア:

[(1, 13267865), (5, 2653573), (13, 1020605), (43, 308555), (47, 282295), (65, 204121), (101, 131365), (215, 61711), (235, 56459), (505, 26273), (559, 23735), (611, 21715), (1313, 10105), (2021, 6565), (2795, 4747), (3055, 4343)]