81883664

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{881}}^1$

素因数の和:1083

約数の個数: 40

約数和(自身を含む): 164161368

約数和(自身を除く): 82277704

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 157, 296, 314, 592, 628, 881, 1256, 1762, 2512, 3524, 5809, 7048, 11618, 14096, 23236, 32597, 46472, 65194, 92944, 130388, 138317, 260776, 276634, 521552, 553268, 1106536, 2213072, 5117729, 10235458, 20470916, 40941832, 81883664]

約数ペア:

[(1, 81883664), (2, 40941832), (4, 20470916), (8, 10235458), (16, 5117729), (37, 2213072), (74, 1106536), (148, 553268), (157, 521552), (296, 276634), (314, 260776), (592, 138317), (628, 130388), (881, 92944), (1256, 65194), (1762, 46472), (2512, 32597), (3524, 23236), (5809, 14096), (7048, 11618)]