39880276

素因数分解:

$2^2\times {\mathrm{67}}^2\times {\mathrm{2221}}^1$

素因数の和:2359

約数の個数: 18

約数和(自身を含む): 70879578

約数和(自身を除く): 30999302

約数列:

[1, 2, 4, 67, 134, 268, 2221, 4442, 4489, 8884, 8978, 17956, 148807, 297614, 595228, 9970069, 19940138, 39880276]

約数ペア:

[(1, 39880276), (2, 19940138), (4, 9970069), (67, 595228), (134, 297614), (268, 148807), (2221, 17956), (4442, 8978), (4489, 8884)]