205311216

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{601}}^1\times {\mathrm{647}}^1$

素因数の和:1270

約数の個数: 80

約数和(自身を含む): 580462848

約数和(自身を除く): 375151632

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 528, 601, 647, 1202, 1294, 1803, 1941, 2404, 2588, 3606, 3882, 4808, 5176, 6611, 7117, 7212, 7764, 9616, 10352, 13222, 14234, 14424, 15528, 19833, 21351, 26444, 28468, 28848, 31056, 39666, 42702, 52888, 56936, 79332, 85404, 105776, 113872, 158664, 170808, 317328, 341616, 388847, 777694, 1166541, 1555388, 2333082, 3110776, 4277317, 4666164, 6221552, 8554634, 9332328, 12831951, 17109268, 18664656, 25663902, 34218536, 51327804, 68437072, 102655608, 205311216]

約数ペア:

[(1, 205311216), (2, 102655608), (3, 68437072), (4, 51327804), (6, 34218536), (8, 25663902), (11, 18664656), (12, 17109268), (16, 12831951), (22, 9332328), (24, 8554634), (33, 6221552), (44, 4666164), (48, 4277317), (66, 3110776), (88, 2333082), (132, 1555388), (176, 1166541), (264, 777694), (528, 388847), (601, 341616), (647, 317328), (1202, 170808), (1294, 158664), (1803, 113872), (1941, 105776), (2404, 85404), (2588, 79332), (3606, 56936), (3882, 52888), (4808, 42702), (5176, 39666), (6611, 31056), (7117, 28848), (7212, 28468), (7764, 26444), (9616, 21351), (10352, 19833), (13222, 15528), (14234, 14424)]