87013225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15749}}^1$

素因数の和:15789

約数の個数: 24

約数和(自身を含む): 123039000

約数和(自身を除く): 36025775

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 5525, 15749, 78745, 204737, 267733, 393725, 1023685, 1338665, 3480529, 5118425, 6693325, 17402645, 87013225]

約数ペア:

[(1, 87013225), (5, 17402645), (13, 6693325), (17, 5118425), (25, 3480529), (65, 1338665), (85, 1023685), (221, 393725), (325, 267733), (425, 204737), (1105, 78745), (5525, 15749)]