81519584

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2221}}^1$

素因数の和:2299

約数の個数: 48

約数和(自身を含む): 170222976

約数和(自身を除く): 88703392

約数列:

[1, 2, 4, 8, 16, 31, 32, 37, 62, 74, 124, 148, 248, 296, 496, 592, 992, 1147, 1184, 2221, 2294, 4442, 4588, 8884, 9176, 17768, 18352, 35536, 36704, 68851, 71072, 82177, 137702, 164354, 275404, 328708, 550808, 657416, 1101616, 1314832, 2203232, 2547487, 2629664, 5094974, 10189948, 20379896, 40759792, 81519584]

約数ペア:

[(1, 81519584), (2, 40759792), (4, 20379896), (8, 10189948), (16, 5094974), (31, 2629664), (32, 2547487), (37, 2203232), (62, 1314832), (74, 1101616), (124, 657416), (148, 550808), (248, 328708), (296, 275404), (496, 164354), (592, 137702), (992, 82177), (1147, 71072), (1184, 68851), (2221, 36704), (2294, 35536), (4442, 18352), (4588, 17768), (8884, 9176)]