220677289

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{12281}}^1$

素因数の和:12456

約数の個数: 16

約数和(自身を含む): 268828416

約数和(自身を除く): 48151127

約数列:

[1, 7, 17, 119, 151, 1057, 2567, 12281, 17969, 85967, 208777, 1461439, 1854431, 12981017, 31525327, 220677289]

約数ペア:

[(1, 220677289), (7, 31525327), (17, 12981017), (119, 1854431), (151, 1461439), (1057, 208777), (2567, 85967), (12281, 17969)]