12815990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{443}}^1$

素因数の和:724

約数の個数: 32

約数和(自身を含む): 25318656

約数和(自身を除く): 12502666

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 263, 443, 526, 886, 1315, 2215, 2630, 2893, 4430, 4873, 5786, 9746, 14465, 24365, 28930, 48730, 116509, 233018, 582545, 1165090, 1281599, 2563198, 6407995, 12815990]

約数ペア:

[(1, 12815990), (2, 6407995), (5, 2563198), (10, 1281599), (11, 1165090), (22, 582545), (55, 233018), (110, 116509), (263, 48730), (443, 28930), (526, 24365), (886, 14465), (1315, 9746), (2215, 5786), (2630, 4873), (2893, 4430)]