211676564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{20129}}^1$

素因数の和:20383

約数の個数: 24

約数和(自身を含む): 405820800

約数和(自身を除く): 194144236

約数列:

[1, 2, 4, 11, 22, 44, 239, 478, 956, 2629, 5258, 10516, 20129, 40258, 80516, 221419, 442838, 885676, 4810831, 9621662, 19243324, 52919141, 105838282, 211676564]

約数ペア:

[(1, 211676564), (2, 105838282), (4, 52919141), (11, 19243324), (22, 9621662), (44, 4810831), (239, 885676), (478, 442838), (956, 221419), (2629, 80516), (5258, 40258), (10516, 20129)]