161088908

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{199}}^1\times {\mathrm{1289}}^1$

素因数の和:1649

約数の個数: 24

約数和(自身を含む): 285348000

約数和(自身を除く): 124259092

約数列:

[1, 2, 4, 157, 199, 314, 398, 628, 796, 1289, 2578, 5156, 31243, 62486, 124972, 202373, 256511, 404746, 513022, 809492, 1026044, 40272227, 80544454, 161088908]

約数ペア:

[(1, 161088908), (2, 80544454), (4, 40272227), (157, 1026044), (199, 809492), (314, 513022), (398, 404746), (628, 256511), (796, 202373), (1289, 124972), (2578, 62486), (5156, 31243)]