25571975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 38997504

約数和(自身を除く): 13425529

約数列:

[1, 5, 11, 13, 23, 25, 55, 65, 115, 143, 253, 275, 299, 311, 325, 575, 715, 1265, 1495, 1555, 3289, 3421, 3575, 4043, 6325, 7153, 7475, 7775, 16445, 17105, 20215, 35765, 44473, 78683, 82225, 85525, 92989, 101075, 178825, 222365, 393415, 464945, 1022879, 1111825, 1967075, 2324725, 5114395, 25571975]

約数ペア:

[(1, 25571975), (5, 5114395), (11, 2324725), (13, 1967075), (23, 1111825), (25, 1022879), (55, 464945), (65, 393415), (115, 222365), (143, 178825), (253, 101075), (275, 92989), (299, 85525), (311, 82225), (325, 78683), (575, 44473), (715, 35765), (1265, 20215), (1495, 17105), (1555, 16445), (3289, 7775), (3421, 7475), (3575, 7153), (4043, 6325)]