257820436

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{367}}^1\times {\mathrm{10331}}^1$

素因数の和:10719

約数の個数: 24

約数和(自身を含む): 479074176

約数和(自身を除く): 221253740

約数列:

[1, 2, 4, 17, 34, 68, 367, 734, 1468, 6239, 10331, 12478, 20662, 24956, 41324, 175627, 351254, 702508, 3791477, 7582954, 15165908, 64455109, 128910218, 257820436]

約数ペア:

[(1, 257820436), (2, 128910218), (4, 64455109), (17, 15165908), (34, 7582954), (68, 3791477), (367, 702508), (734, 351254), (1468, 175627), (6239, 41324), (10331, 24956), (12478, 20662)]