402128

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{613}}^1$

素因数の和:662

約数の個数: 20

約数和(自身を含む): 799428

約数和(自身を除く): 397300

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 613, 656, 1226, 2452, 4904, 9808, 25133, 50266, 100532, 201064, 402128]

約数ペア:

[(1, 402128), (2, 201064), (4, 100532), (8, 50266), (16, 25133), (41, 9808), (82, 4904), (164, 2452), (328, 1226), (613, 656)]