65690068

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{20101}}^1$

素因数の和:20167

約数の個数: 24

約数和(自身を含む): 123828320

約数和(自身を除く): 58138252

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 20101, 40202, 80404, 381919, 763838, 864343, 1527676, 1728686, 3457372, 16422517, 32845034, 65690068]

約数ペア:

[(1, 65690068), (2, 32845034), (4, 16422517), (19, 3457372), (38, 1728686), (43, 1527676), (76, 864343), (86, 763838), (172, 381919), (817, 80404), (1634, 40202), (3268, 20101)]