25490465

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{463}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 41470464

約数和(自身を除く): 15979999

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 121, 143, 385, 455, 463, 605, 715, 847, 1001, 1573, 2315, 3241, 4235, 5005, 5093, 6019, 7865, 11011, 16205, 25465, 30095, 35651, 42133, 55055, 56023, 66209, 178255, 210665, 280115, 331045, 392161, 463463, 728299, 1960805, 2317315, 3641495, 5098093, 25490465]

約数ペア:

[(1, 25490465), (5, 5098093), (7, 3641495), (11, 2317315), (13, 1960805), (35, 728299), (55, 463463), (65, 392161), (77, 331045), (91, 280115), (121, 210665), (143, 178255), (385, 66209), (455, 56023), (463, 55055), (605, 42133), (715, 35651), (847, 30095), (1001, 25465), (1573, 16205), (2315, 11011), (3241, 7865), (4235, 6019), (5005, 5093)]