66636175

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:468

約数の個数: 36

約数和(自身を含む): 91820016

約数和(自身を除く): 25183841

約数列:

[1, 5, 17, 23, 25, 85, 115, 289, 391, 401, 425, 575, 1445, 1955, 2005, 6647, 6817, 7225, 9223, 9775, 10025, 33235, 34085, 46115, 115889, 156791, 166175, 170425, 230575, 579445, 783955, 2665447, 2897225, 3919775, 13327235, 66636175]

約数ペア:

[(1, 66636175), (5, 13327235), (17, 3919775), (23, 2897225), (25, 2665447), (85, 783955), (115, 579445), (289, 230575), (391, 170425), (401, 166175), (425, 156791), (575, 115889), (1445, 46115), (1955, 34085), (2005, 33235), (6647, 10025), (6817, 9775), (7225, 9223)]