53381275

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 75423744

約数和(自身を除く): 22042469

約数列:

[1, 5, 17, 23, 25, 43, 85, 115, 127, 215, 391, 425, 575, 635, 731, 989, 1075, 1955, 2159, 2921, 3175, 3655, 4945, 5461, 9775, 10795, 14605, 16813, 18275, 24725, 27305, 49657, 53975, 73025, 84065, 92837, 125603, 136525, 248285, 420325, 464185, 628015, 1241425, 2135251, 2320925, 3140075, 10676255, 53381275]

約数ペア:

[(1, 53381275), (5, 10676255), (17, 3140075), (23, 2320925), (25, 2135251), (43, 1241425), (85, 628015), (115, 464185), (127, 420325), (215, 248285), (391, 136525), (425, 125603), (575, 92837), (635, 84065), (731, 73025), (989, 53975), (1075, 49657), (1955, 27305), (2159, 24725), (2921, 18275), (3175, 16813), (3655, 14605), (4945, 10795), (5461, 9775)]