278889808

素因数分解:

$2^4\times {\mathrm{1621}}^1\times {\mathrm{10753}}^1$

素因数の和:12382

約数の個数: 20

約数和(自身を含む): 540732628

約数和(自身を除く): 261842820

約数列:

[1, 2, 4, 8, 16, 1621, 3242, 6484, 10753, 12968, 21506, 25936, 43012, 86024, 172048, 17430613, 34861226, 69722452, 139444904, 278889808]

約数ペア:

[(1, 278889808), (2, 139444904), (4, 69722452), (8, 34861226), (16, 17430613), (1621, 172048), (3242, 86024), (6484, 43012), (10753, 25936), (12968, 21506)]