256213248

素因数分解:

$2^8\times 3^1\times {\mathrm{149}}^1\times {\mathrm{2239}}^1$

素因数の和:2407

約数の個数: 72

約数和(自身を含む): 686784000

約数和(自身を除く): 430570752

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 149, 192, 256, 298, 384, 447, 596, 768, 894, 1192, 1788, 2239, 2384, 3576, 4478, 4768, 6717, 7152, 8956, 9536, 13434, 14304, 17912, 19072, 26868, 28608, 35824, 38144, 53736, 57216, 71648, 107472, 114432, 143296, 214944, 286592, 333611, 429888, 573184, 667222, 859776, 1000833, 1334444, 1719552, 2001666, 2668888, 4003332, 5337776, 8006664, 10675552, 16013328, 21351104, 32026656, 42702208, 64053312, 85404416, 128106624, 256213248]

約数ペア:

[(1, 256213248), (2, 128106624), (3, 85404416), (4, 64053312), (6, 42702208), (8, 32026656), (12, 21351104), (16, 16013328), (24, 10675552), (32, 8006664), (48, 5337776), (64, 4003332), (96, 2668888), (128, 2001666), (149, 1719552), (192, 1334444), (256, 1000833), (298, 859776), (384, 667222), (447, 573184), (596, 429888), (768, 333611), (894, 286592), (1192, 214944), (1788, 143296), (2239, 114432), (2384, 107472), (3576, 71648), (4478, 57216), (4768, 53736), (6717, 38144), (7152, 35824), (8956, 28608), (9536, 26868), (13434, 19072), (14304, 17912)]