289487516

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{293}}^1\times {\mathrm{1777}}^1$

素因数の和:2213

約数の個数: 24

約数和(自身を含む): 512277360

約数和(自身を除く): 222789844

約数列:

[1, 2, 4, 139, 278, 293, 556, 586, 1172, 1777, 3554, 7108, 40727, 81454, 162908, 247003, 494006, 520661, 988012, 1041322, 2082644, 72371879, 144743758, 289487516]

約数ペア:

[(1, 289487516), (2, 144743758), (4, 72371879), (139, 2082644), (278, 1041322), (293, 988012), (556, 520661), (586, 494006), (1172, 247003), (1777, 162908), (3554, 81454), (7108, 40727)]