289773796

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{20563}}^1$

素因数の和:20851

約数の個数: 24

約数和(自身を含む): 548153984

約数和(自身を除く): 258380188

約数列:

[1, 2, 4, 13, 26, 52, 271, 542, 1084, 3523, 7046, 14092, 20563, 41126, 82252, 267319, 534638, 1069276, 5572573, 11145146, 22290292, 72443449, 144886898, 289773796]

約数ペア:

[(1, 289773796), (2, 144886898), (4, 72443449), (13, 22290292), (26, 11145146), (52, 5572573), (271, 1069276), (542, 534638), (1084, 267319), (3523, 82252), (7046, 41126), (14092, 20563)]