25563525

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 46080384

約数和(自身を除く): 20516859

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 157, 167, 195, 325, 471, 501, 785, 835, 975, 2041, 2171, 2355, 2505, 3925, 4175, 6123, 6513, 10205, 10855, 11775, 12525, 26219, 30615, 32565, 51025, 54275, 78657, 131095, 153075, 162825, 340847, 393285, 655475, 1022541, 1704235, 1966425, 5112705, 8521175, 25563525]

約数ペア:

[(1, 25563525), (3, 8521175), (5, 5112705), (13, 1966425), (15, 1704235), (25, 1022541), (39, 655475), (65, 393285), (75, 340847), (157, 162825), (167, 153075), (195, 131095), (325, 78657), (471, 54275), (501, 51025), (785, 32565), (835, 30615), (975, 26219), (2041, 12525), (2171, 11775), (2355, 10855), (2505, 10205), (3925, 6513), (4175, 6123)]