28987475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4583}}^1$

素因数の和:4627

約数の個数: 24

約数和(自身を含む): 40925952

約数和(自身を除く): 11938477

約数列:

[1, 5, 11, 23, 25, 55, 115, 253, 275, 575, 1265, 4583, 6325, 22915, 50413, 105409, 114575, 252065, 527045, 1159499, 1260325, 2635225, 5797495, 28987475]

約数ペア:

[(1, 28987475), (5, 5797495), (11, 2635225), (23, 1260325), (25, 1159499), (55, 527045), (115, 252065), (253, 114575), (275, 105409), (575, 50413), (1265, 22915), (4583, 6325)]