8253505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 11571840

約数和(自身を除く): 3318335

約数列:

[1, 5, 13, 19, 41, 65, 95, 163, 205, 247, 533, 779, 815, 1235, 2119, 2665, 3097, 3895, 6683, 10127, 10595, 15485, 33415, 40261, 50635, 86879, 126977, 201305, 434395, 634885, 1650701, 8253505]

約数ペア:

[(1, 8253505), (5, 1650701), (13, 634885), (19, 434395), (41, 201305), (65, 126977), (95, 86879), (163, 50635), (205, 40261), (247, 33415), (533, 15485), (779, 10595), (815, 10127), (1235, 6683), (2119, 3895), (2665, 3097)]