213869341

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{587}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 267337728

約数和(自身を除く): 53468387

約数列:

[1, 7, 23, 31, 73, 161, 217, 511, 587, 713, 1679, 2263, 4109, 4991, 11753, 13501, 15841, 18197, 42851, 52049, 94507, 127379, 299957, 364343, 418531, 985573, 1328381, 2929717, 6899011, 9298667, 30552763, 213869341]

約数ペア:

[(1, 213869341), (7, 30552763), (23, 9298667), (31, 6899011), (73, 2929717), (161, 1328381), (217, 985573), (511, 418531), (587, 364343), (713, 299957), (1679, 127379), (2263, 94507), (4109, 52049), (4991, 42851), (11753, 18197), (13501, 15841)]