251842016

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1999}}^1$

素因数の和:2167

約数の個数: 48

約数和(自身を含む): 516096000

約数和(自身を除く): 264253984

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 127, 248, 254, 496, 508, 992, 1016, 1999, 2032, 3937, 3998, 4064, 7874, 7996, 15748, 15992, 31496, 31984, 61969, 62992, 63968, 123938, 125984, 247876, 253873, 495752, 507746, 991504, 1015492, 1983008, 2030984, 4061968, 7870063, 8123936, 15740126, 31480252, 62960504, 125921008, 251842016]

約数ペア:

[(1, 251842016), (2, 125921008), (4, 62960504), (8, 31480252), (16, 15740126), (31, 8123936), (32, 7870063), (62, 4061968), (124, 2030984), (127, 1983008), (248, 1015492), (254, 991504), (496, 507746), (508, 495752), (992, 253873), (1016, 247876), (1999, 125984), (2032, 123938), (3937, 63968), (3998, 62992), (4064, 61969), (7874, 31984), (7996, 31496), (15748, 15992)]