123508

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1$

素因数の和:423

約数の個数: 24

約数和(自身を含む): 270144

約数和(自身を除く): 146636

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 401, 802, 1604, 2807, 4411, 5614, 8822, 11228, 17644, 30877, 61754, 123508]

約数ペア:

[(1, 123508), (2, 61754), (4, 30877), (7, 17644), (11, 11228), (14, 8822), (22, 5614), (28, 4411), (44, 2807), (77, 1604), (154, 802), (308, 401)]