131380136

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{20101}}^1$

素因数の和:20169

約数の個数: 32

約数和(自身を含む): 265346400

約数和(自身を除く): 133966264

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 152, 172, 344, 817, 1634, 3268, 6536, 20101, 40202, 80404, 160808, 381919, 763838, 864343, 1527676, 1728686, 3055352, 3457372, 6914744, 16422517, 32845034, 65690068, 131380136]

約数ペア:

[(1, 131380136), (2, 65690068), (4, 32845034), (8, 16422517), (19, 6914744), (38, 3457372), (43, 3055352), (76, 1728686), (86, 1527676), (152, 864343), (172, 763838), (344, 381919), (817, 160808), (1634, 80404), (3268, 40202), (6536, 20101)]