256275952

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{2917}}^1$

素因数の和:2978

約数の個数: 60

約数和(自身を含む): 555412120

約数和(自身を除く): 299136168

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 289, 304, 323, 578, 646, 1156, 1292, 2312, 2584, 2917, 4624, 5168, 5491, 5834, 10982, 11668, 21964, 23336, 43928, 46672, 49589, 55423, 87856, 99178, 110846, 198356, 221692, 396712, 443384, 793424, 843013, 886768, 942191, 1686026, 1884382, 3372052, 3768764, 6744104, 7537528, 13488208, 15075056, 16017247, 32034494, 64068988, 128137976, 256275952]

約数ペア:

[(1, 256275952), (2, 128137976), (4, 64068988), (8, 32034494), (16, 16017247), (17, 15075056), (19, 13488208), (34, 7537528), (38, 6744104), (68, 3768764), (76, 3372052), (136, 1884382), (152, 1686026), (272, 942191), (289, 886768), (304, 843013), (323, 793424), (578, 443384), (646, 396712), (1156, 221692), (1292, 198356), (2312, 110846), (2584, 99178), (2917, 87856), (4624, 55423), (5168, 49589), (5491, 46672), (5834, 43928), (10982, 23336), (11668, 21964)]