258456688

素因数分解:

$2^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{27803}}^1$

素因数の和:27901

約数の個数: 40

約数和(自身を含む): 579212928

約数和(自身を除く): 320756240

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 83, 112, 166, 332, 581, 664, 1162, 1328, 2324, 4648, 9296, 27803, 55606, 111212, 194621, 222424, 389242, 444848, 778484, 1556968, 2307649, 3113936, 4615298, 9230596, 16153543, 18461192, 32307086, 36922384, 64614172, 129228344, 258456688]

約数ペア:

[(1, 258456688), (2, 129228344), (4, 64614172), (7, 36922384), (8, 32307086), (14, 18461192), (16, 16153543), (28, 9230596), (56, 4615298), (83, 3113936), (112, 2307649), (166, 1556968), (332, 778484), (581, 444848), (664, 389242), (1162, 222424), (1328, 194621), (2324, 111212), (4648, 55606), (9296, 27803)]