80815204

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{1657}}^1$

素因数の和:1887

約数の個数: 24

約数和(自身を含む): 144146520

約数和(自身を除く): 63331316

約数列:

[1, 2, 4, 89, 137, 178, 274, 356, 548, 1657, 3314, 6628, 12193, 24386, 48772, 147473, 227009, 294946, 454018, 589892, 908036, 20203801, 40407602, 80815204]

約数ペア:

[(1, 80815204), (2, 40407602), (4, 20203801), (89, 908036), (137, 589892), (178, 454018), (274, 294946), (356, 227009), (548, 147473), (1657, 48772), (3314, 24386), (6628, 12193)]