51018004

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{1031}}^1$

素因数の和:1263

約数の個数: 24

約数和(自身を含む): 91022400

約数和(自身を除く): 40004396

約数列:

[1, 2, 4, 89, 139, 178, 278, 356, 556, 1031, 2062, 4124, 12371, 24742, 49484, 91759, 143309, 183518, 286618, 367036, 573236, 12754501, 25509002, 51018004]

約数ペア:

[(1, 51018004), (2, 25509002), (4, 12754501), (89, 573236), (139, 367036), (178, 286618), (278, 183518), (356, 143309), (556, 91759), (1031, 49484), (2062, 24742), (4124, 12371)]