85990990

素因数分解:

$2^1\times 5^1\times {\mathrm{1373}}^1\times {\mathrm{6263}}^1$

素因数の和:7643

約数の個数: 16

約数和(自身を含む): 154921248

約数和(自身を除く): 68930258

約数列:

[1, 2, 5, 10, 1373, 2746, 6263, 6865, 12526, 13730, 31315, 62630, 8599099, 17198198, 42995495, 85990990]

約数ペア:

[(1, 85990990), (2, 42995495), (5, 17198198), (10, 8599099), (1373, 62630), (2746, 31315), (6263, 13730), (6865, 12526)]