201321428

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{653641}}^1$

素因数の和:653663

約数の個数: 24

約数和(自身を含む): 439247424

約数和(自身を除く): 237925996

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 653641, 1307282, 2614564, 4575487, 7190051, 9150974, 14380102, 18301948, 28760204, 50330357, 100660714, 201321428]

約数ペア:

[(1, 201321428), (2, 100660714), (4, 50330357), (7, 28760204), (11, 18301948), (14, 14380102), (22, 9150974), (28, 7190051), (44, 4575487), (77, 2614564), (154, 1307282), (308, 653641)]