266640115

素因数分解:

$5^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{5639}}^1$

素因数の和:5851

約数の個数: 24

約数和(自身を含む): 374202720

約数和(自身を除く): 107562605

約数列:

[1, 5, 7, 35, 49, 193, 245, 965, 1351, 5639, 6755, 9457, 28195, 39473, 47285, 197365, 276311, 1088327, 1381555, 5441635, 7618289, 38091445, 53328023, 266640115]

約数ペア:

[(1, 266640115), (5, 53328023), (7, 38091445), (35, 7618289), (49, 5441635), (193, 1381555), (245, 1088327), (965, 276311), (1351, 197365), (5639, 47285), (6755, 39473), (9457, 28195)]