440707785544

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{521}}^1\times {\mathrm{625657}}^1$

素因数の和:626210

約数の個数: 48

約数和(自身を含む): 896499091620

約数和(自身を除く): 455791306076

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 521, 676, 1042, 1352, 2084, 4168, 6773, 13546, 27092, 54184, 88049, 176098, 352196, 625657, 704392, 1251314, 2502628, 5005256, 8133541, 16267082, 32534164, 65068328, 105736033, 211472066, 325967297, 422944132, 651934594, 845888264, 1303869188, 2607738376, 4237574861, 8475149722, 16950299444, 33900598888, 55088473193, 110176946386, 220353892772, 440707785544]

約数ペア:

[(1, 440707785544), (2, 220353892772), (4, 110176946386), (8, 55088473193), (13, 33900598888), (26, 16950299444), (52, 8475149722), (104, 4237574861), (169, 2607738376), (338, 1303869188), (521, 845888264), (676, 651934594), (1042, 422944132), (1352, 325967297), (2084, 211472066), (4168, 105736033), (6773, 65068328), (13546, 32534164), (27092, 16267082), (54184, 8133541), (88049, 5005256), (176098, 2502628), (352196, 1251314), (625657, 704392)]