28152475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{103}}^1$

素因数の和:184

約数の個数: 36

約数和(自身を含む): 39313456

約数和(自身を除く): 11160981

約数列:

[1, 5, 13, 25, 29, 65, 103, 145, 325, 377, 515, 725, 841, 1339, 1885, 2575, 2987, 4205, 6695, 9425, 10933, 14935, 21025, 33475, 38831, 54665, 74675, 86623, 194155, 273325, 433115, 970775, 1126099, 2165575, 5630495, 28152475]

約数ペア:

[(1, 28152475), (5, 5630495), (13, 2165575), (25, 1126099), (29, 970775), (65, 433115), (103, 273325), (145, 194155), (325, 86623), (377, 74675), (515, 54665), (725, 38831), (841, 33475), (1339, 21025), (1885, 14935), (2575, 10933), (2987, 9425), (4205, 6695)]