256944368

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{4079}}^1$

素因数の和:4245

約数の個数: 40

約数和(自身を含む): 518062080

約数和(自身を除く): 261117712

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 127, 248, 254, 496, 508, 1016, 2032, 3937, 4079, 7874, 8158, 15748, 16316, 31496, 32632, 62992, 65264, 126449, 252898, 505796, 518033, 1011592, 1036066, 2023184, 2072132, 4144264, 8288528, 16059023, 32118046, 64236092, 128472184, 256944368]

約数ペア:

[(1, 256944368), (2, 128472184), (4, 64236092), (8, 32118046), (16, 16059023), (31, 8288528), (62, 4144264), (124, 2072132), (127, 2023184), (248, 1036066), (254, 1011592), (496, 518033), (508, 505796), (1016, 252898), (2032, 126449), (3937, 65264), (4079, 62992), (7874, 32632), (8158, 31496), (15748, 16316)]