251212096

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{997}}^1$

素因数の和:1167

約数の個数: 56

約数和(自身を含む): 519151616

約数和(自身を除く): 267939520

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 127, 248, 254, 496, 508, 992, 997, 1016, 1984, 1994, 2032, 3937, 3988, 4064, 7874, 7976, 8128, 15748, 15952, 30907, 31496, 31904, 61814, 62992, 63808, 123628, 125984, 126619, 247256, 251968, 253238, 494512, 506476, 989024, 1012952, 1978048, 2025904, 3925189, 4051808, 7850378, 8103616, 15700756, 31401512, 62803024, 125606048, 251212096]

約数ペア:

[(1, 251212096), (2, 125606048), (4, 62803024), (8, 31401512), (16, 15700756), (31, 8103616), (32, 7850378), (62, 4051808), (64, 3925189), (124, 2025904), (127, 1978048), (248, 1012952), (254, 989024), (496, 506476), (508, 494512), (992, 253238), (997, 251968), (1016, 247256), (1984, 126619), (1994, 125984), (2032, 123628), (3937, 63808), (3988, 62992), (4064, 61814), (7874, 31904), (7976, 31496), (8128, 30907), (15748, 15952)]