13005025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{131}}^1$

素因数の和:190

約数の個数: 36

約数和(自身を含む): 18708624

約数和(自身を除く): 5703599

約数列:

[1, 5, 11, 19, 25, 55, 95, 131, 209, 275, 361, 475, 655, 1045, 1441, 1805, 2489, 3275, 3971, 5225, 7205, 9025, 12445, 19855, 27379, 36025, 47291, 62225, 99275, 136895, 236455, 520201, 684475, 1182275, 2601005, 13005025]

約数ペア:

[(1, 13005025), (5, 2601005), (11, 1182275), (19, 684475), (25, 520201), (55, 236455), (95, 136895), (131, 99275), (209, 62225), (275, 47291), (361, 36025), (475, 27379), (655, 19855), (1045, 12445), (1441, 9025), (1805, 7205), (2489, 5225), (3275, 3971)]