161856346

素因数分解:

$2^1\times {\mathrm{251}}^1\times {\mathrm{503}}^1\times {\mathrm{641}}^1$

素因数の和:1397

約数の個数: 16

約数和(自身を含む): 244617408

約数和(自身を除く): 82761062

約数列:

[1, 2, 251, 502, 503, 641, 1006, 1282, 126253, 160891, 252506, 321782, 322423, 644846, 80928173, 161856346]

約数ペア:

[(1, 161856346), (2, 80928173), (251, 644846), (502, 322423), (503, 321782), (641, 252506), (1006, 160891), (1282, 126253)]