261783056

素因数分解:

$2^4\times {\mathrm{23}}^2\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:408

約数の個数: 60

約数和(自身を含む): 536301612

約数和(自身を除く): 274518556

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 157, 184, 197, 314, 368, 394, 529, 628, 788, 1058, 1256, 1576, 2116, 2512, 3152, 3611, 4232, 4531, 7222, 8464, 9062, 14444, 18124, 28888, 30929, 36248, 57776, 61858, 72496, 83053, 104213, 123716, 166106, 208426, 247432, 332212, 416852, 494864, 664424, 711367, 833704, 1328848, 1422734, 1667408, 2845468, 5690936, 11381872, 16361441, 32722882, 65445764, 130891528, 261783056]

約数ペア:

[(1, 261783056), (2, 130891528), (4, 65445764), (8, 32722882), (16, 16361441), (23, 11381872), (46, 5690936), (92, 2845468), (157, 1667408), (184, 1422734), (197, 1328848), (314, 833704), (368, 711367), (394, 664424), (529, 494864), (628, 416852), (788, 332212), (1058, 247432), (1256, 208426), (1576, 166106), (2116, 123716), (2512, 104213), (3152, 83053), (3611, 72496), (4232, 61858), (4531, 57776), (7222, 36248), (8464, 30929), (9062, 28888), (14444, 18124)]