158911408

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{242243}}^1$

素因数の和:242292

約数の個数: 20

約数和(自身を含む): 315401688

約数和(自身を除く): 156490280

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 242243, 484486, 968972, 1937944, 3875888, 9931963, 19863926, 39727852, 79455704, 158911408]

約数ペア:

[(1, 158911408), (2, 79455704), (4, 39727852), (8, 19863926), (16, 9931963), (41, 3875888), (82, 1937944), (164, 968972), (328, 484486), (656, 242243)]