157859216

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{161741}}^1$

素因数の和:161810

約数の個数: 20

約数和(自身を含む): 310868124

約数和(自身を除く): 153008908

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 161741, 323482, 646964, 1293928, 2587856, 9866201, 19732402, 39464804, 78929608, 157859216]

約数ペア:

[(1, 157859216), (2, 78929608), (4, 39464804), (8, 19732402), (16, 9866201), (61, 2587856), (122, 1293928), (244, 646964), (488, 323482), (976, 161741)]