223756393

素因数分解:

$7^4\times {\mathrm{41}}^1\times {\mathrm{2273}}^1$

素因数の和:2342

約数の個数: 20

約数和(自身を含む): 267517908

約数和(自身を除く): 43761515

約数列:

[1, 7, 41, 49, 287, 343, 2009, 2273, 2401, 14063, 15911, 93193, 98441, 111377, 652351, 779639, 4566457, 5457473, 31965199, 223756393]

約数ペア:

[(1, 223756393), (7, 31965199), (41, 5457473), (49, 4566457), (287, 779639), (343, 652351), (2009, 111377), (2273, 98441), (2401, 93193), (14063, 15911)]