31474868

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:420

約数の個数: 36

約数和(自身を含む): 59143392

約数和(自身を除く): 27668524

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 284, 307, 361, 614, 722, 1228, 1349, 1444, 2698, 5396, 5833, 11666, 21797, 23332, 25631, 43594, 51262, 87188, 102524, 110827, 221654, 414143, 443308, 828286, 1656572, 7868717, 15737434, 31474868]

約数ペア:

[(1, 31474868), (2, 15737434), (4, 7868717), (19, 1656572), (38, 828286), (71, 443308), (76, 414143), (142, 221654), (284, 110827), (307, 102524), (361, 87188), (614, 51262), (722, 43594), (1228, 25631), (1349, 23332), (1444, 21797), (2698, 11666), (5396, 5833)]