51222275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 73995264

約数和(自身を除く): 22772989

約数列:

[1, 5, 13, 17, 25, 65, 73, 85, 127, 221, 325, 365, 425, 635, 949, 1105, 1241, 1651, 1825, 2159, 3175, 4745, 5525, 6205, 8255, 9271, 10795, 16133, 23725, 28067, 31025, 41275, 46355, 53975, 80665, 120523, 140335, 157607, 231775, 403325, 602615, 701675, 788035, 2048891, 3013075, 3940175, 10244455, 51222275]

約数ペア:

[(1, 51222275), (5, 10244455), (13, 3940175), (17, 3013075), (25, 2048891), (65, 788035), (73, 701675), (85, 602615), (127, 403325), (221, 231775), (325, 157607), (365, 140335), (425, 120523), (635, 80665), (949, 53975), (1105, 46355), (1241, 41275), (1651, 31025), (1825, 28067), (2159, 23725), (3175, 16133), (4745, 10795), (5525, 9271), (6205, 8255)]