281561856

素因数分解:

$2^8\times 3^1\times {\mathrm{197}}^1\times {\mathrm{1861}}^1$

素因数の和:2077

約数の個数: 72

約数和(自身を含む): 753573744

約数和(自身を除く): 472011888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 197, 256, 384, 394, 591, 768, 788, 1182, 1576, 1861, 2364, 3152, 3722, 4728, 5583, 6304, 7444, 9456, 11166, 12608, 14888, 18912, 22332, 25216, 29776, 37824, 44664, 50432, 59552, 75648, 89328, 119104, 151296, 178656, 238208, 357312, 366617, 476416, 714624, 733234, 1099851, 1429248, 1466468, 2199702, 2932936, 4399404, 5865872, 8798808, 11731744, 17597616, 23463488, 35195232, 46926976, 70390464, 93853952, 140780928, 281561856]

約数ペア:

[(1, 281561856), (2, 140780928), (3, 93853952), (4, 70390464), (6, 46926976), (8, 35195232), (12, 23463488), (16, 17597616), (24, 11731744), (32, 8798808), (48, 5865872), (64, 4399404), (96, 2932936), (128, 2199702), (192, 1466468), (197, 1429248), (256, 1099851), (384, 733234), (394, 714624), (591, 476416), (768, 366617), (788, 357312), (1182, 238208), (1576, 178656), (1861, 151296), (2364, 119104), (3152, 89328), (3722, 75648), (4728, 59552), (5583, 50432), (6304, 44664), (7444, 37824), (9456, 29776), (11166, 25216), (12608, 22332), (14888, 18912)]