256760944

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{7331}}^1$

素因数の和:7549

約数の個数: 40

約数和(自身を含む): 545500800

約数和(自身を除く): 288739856

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 199, 398, 796, 1592, 2189, 3184, 4378, 7331, 8756, 14662, 17512, 29324, 35024, 58648, 80641, 117296, 161282, 322564, 645128, 1290256, 1458869, 2917738, 5835476, 11670952, 16047559, 23341904, 32095118, 64190236, 128380472, 256760944]

約数ペア:

[(1, 256760944), (2, 128380472), (4, 64190236), (8, 32095118), (11, 23341904), (16, 16047559), (22, 11670952), (44, 5835476), (88, 2917738), (176, 1458869), (199, 1290256), (398, 645128), (796, 322564), (1592, 161282), (2189, 117296), (3184, 80641), (4378, 58648), (7331, 35024), (8756, 29324), (14662, 17512)]