89903090

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{390883}}^1$

素因数の和:390913

約数の個数: 16

約数和(自身を含む): 168861888

約数和(自身を除く): 78958798

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 390883, 781766, 1954415, 3908830, 8990309, 17980618, 44951545, 89903090]

約数ペア:

[(1, 89903090), (2, 44951545), (5, 17980618), (10, 8990309), (23, 3908830), (46, 1954415), (115, 781766), (230, 390883)]