81130568

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{6581}}^1$

素因数の和:6677

約数の個数: 32

約数和(自身を含む): 161127360

約数和(自身を除く): 79996792

約数列:

[1, 2, 4, 8, 23, 46, 67, 92, 134, 184, 268, 536, 1541, 3082, 6164, 6581, 12328, 13162, 26324, 52648, 151363, 302726, 440927, 605452, 881854, 1210904, 1763708, 3527416, 10141321, 20282642, 40565284, 81130568]

約数ペア:

[(1, 81130568), (2, 40565284), (4, 20282642), (8, 10141321), (23, 3527416), (46, 1763708), (67, 1210904), (92, 881854), (134, 605452), (184, 440927), (268, 302726), (536, 151363), (1541, 52648), (3082, 26324), (6164, 13162), (6581, 12328)]