12961025

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6733}}^1$

素因数の和:6761

約数の個数: 24

約数和(自身を含む): 20040384

約数和(自身を除く): 7079359

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1925, 6733, 33665, 47131, 74063, 168325, 235655, 370315, 518441, 1178275, 1851575, 2592205, 12961025]

約数ペア:

[(1, 12961025), (5, 2592205), (7, 1851575), (11, 1178275), (25, 518441), (35, 370315), (55, 235655), (77, 168325), (175, 74063), (275, 47131), (385, 33665), (1925, 6733)]