71788088

素因数分解:

$2^3\times {\mathrm{67}}^2\times {\mathrm{1999}}^1$

素因数の和:2139

約数の個数: 24

約数和(自身を含む): 136710000

約数和(自身を除く): 64921912

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 1999, 3998, 4489, 7996, 8978, 15992, 17956, 35912, 133933, 267866, 535732, 1071464, 8973511, 17947022, 35894044, 71788088]

約数ペア:

[(1, 71788088), (2, 35894044), (4, 17947022), (8, 8973511), (67, 1071464), (134, 535732), (268, 267866), (536, 133933), (1999, 35912), (3998, 17956), (4489, 15992), (7996, 8978)]