1288012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1$

素因数の和:489

約数の個数: 24

約数和(自身を含む): 2498832

約数和(自身を除く): 1210820

約数列:

[1, 2, 4, 11, 22, 44, 73, 146, 292, 401, 802, 803, 1604, 1606, 3212, 4411, 8822, 17644, 29273, 58546, 117092, 322003, 644006, 1288012]

約数ペア:

[(1, 1288012), (2, 644006), (4, 322003), (11, 117092), (22, 58546), (44, 29273), (73, 17644), (146, 8822), (292, 4411), (401, 3212), (802, 1606), (803, 1604)]