12567775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1987}}^1$

素因数の和:2031

約数の個数: 24

約数和(自身を含む): 17748864

約数和(自身を除く): 5181089

約数列:

[1, 5, 11, 23, 25, 55, 115, 253, 275, 575, 1265, 1987, 6325, 9935, 21857, 45701, 49675, 109285, 228505, 502711, 546425, 1142525, 2513555, 12567775]

約数ペア:

[(1, 12567775), (5, 2513555), (11, 1142525), (23, 546425), (25, 502711), (55, 228505), (115, 109285), (253, 49675), (275, 45701), (575, 21857), (1265, 9935), (1987, 6325)]