90160990

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{45767}}^1$

素因数の和:45971

約数の個数: 16

約数和(自身を含む): 163117152

約数和(自身を除く): 72956162

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 45767, 91534, 228835, 457670, 9016099, 18032198, 45080495, 90160990]

約数ペア:

[(1, 90160990), (2, 45080495), (5, 18032198), (10, 9016099), (197, 457670), (394, 228835), (985, 91534), (1970, 45767)]