221409853

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{4783}}^1$

素因数の和:5196

約数の個数: 16

約数和(自身を含む): 268669440

約数和(自身を除く): 47259587

約数列:

[1, 7, 17, 119, 389, 2723, 4783, 6613, 33481, 46291, 81311, 569177, 1860587, 13024109, 31629979, 221409853]

約数ペア:

[(1, 221409853), (7, 31629979), (17, 13024109), (119, 1860587), (389, 569177), (2723, 81311), (4783, 46291), (6613, 33481)]