221457614

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{510271}}^1$

素因数の和:510311

約数の個数: 16

約数和(自身を含む): 391888896

約数和(自身を除く): 170431282

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 510271, 1020542, 3571897, 7143794, 15818401, 31636802, 110728807, 221457614]

約数ペア:

[(1, 221457614), (2, 110728807), (7, 31636802), (14, 15818401), (31, 7143794), (62, 3571897), (217, 1020542), (434, 510271)]