201720788678

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{68489}}^1\times {\mathrm{31333}}^1$

素因数の和:99871

約数の個数: 16

約数和(自身を含む): 309033455040

約数和(自身を除く): 107312666362

約数列:

[1, 2, 47, 94, 31333, 62666, 68489, 136978, 1472651, 2945302, 3218983, 6437966, 2145965837, 4291931674, 100860394339, 201720788678]

約数ペア:

[(1, 201720788678), (2, 100860394339), (47, 4291931674), (94, 2145965837), (31333, 6437966), (62666, 3218983), (68489, 2945302), (136978, 1472651)]