551211778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1031}}^1\times {\mathrm{20563}}^1$

素因数の和:21609

約数の個数: 16

約数和(自身を含む): 891326016

約数和(自身を除く): 340114238

約数列:

[1, 2, 13, 26, 1031, 2062, 13403, 20563, 26806, 41126, 267319, 534638, 21200453, 42400906, 275605889, 551211778]

約数ペア:

[(1, 551211778), (2, 275605889), (13, 42400906), (26, 21200453), (1031, 534638), (2062, 267319), (13403, 41126), (20563, 26806)]