257979888

素因数分解:

$2^4\times 3^2\times {\mathrm{157}}^1\times {\mathrm{11411}}^1$

素因数の和:11582

約数の個数: 60

約数和(自身を含む): 726647688

約数和(自身を除く): 468667800

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 157, 314, 471, 628, 942, 1256, 1413, 1884, 2512, 2826, 3768, 5652, 7536, 11304, 11411, 22608, 22822, 34233, 45644, 68466, 91288, 102699, 136932, 182576, 205398, 273864, 410796, 547728, 821592, 1643184, 1791527, 3583054, 5374581, 7166108, 10749162, 14332216, 16123743, 21498324, 28664432, 32247486, 42996648, 64494972, 85993296, 128989944, 257979888]

約数ペア:

[(1, 257979888), (2, 128989944), (3, 85993296), (4, 64494972), (6, 42996648), (8, 32247486), (9, 28664432), (12, 21498324), (16, 16123743), (18, 14332216), (24, 10749162), (36, 7166108), (48, 5374581), (72, 3583054), (144, 1791527), (157, 1643184), (314, 821592), (471, 547728), (628, 410796), (942, 273864), (1256, 205398), (1413, 182576), (1884, 136932), (2512, 102699), (2826, 91288), (3768, 68466), (5652, 45644), (7536, 34233), (11304, 22822), (11411, 22608)]