8720021987

素因数分解:

${\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{619}}^1\times {\mathrm{1663}}^1$

素因数の和:2522

約数の個数: 16

約数和(自身を含む): 8987996160

約数和(自身を除く): 267974173

約数列:

[1, 43, 197, 619, 1663, 8471, 26617, 71509, 121943, 327611, 1029397, 5243549, 14087273, 44264071, 202791209, 8720021987]

約数ペア:

[(1, 8720021987), (43, 202791209), (197, 44264071), (619, 14087273), (1663, 5243549), (8471, 1029397), (26617, 327611), (71509, 121943)]