7123090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1$

素因数の和:526

約数の個数: 32

約数和(自身を含む): 13935600

約数和(自身を除く): 6812510

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157, 314, 349, 698, 785, 1570, 1745, 2041, 3490, 4082, 4537, 9074, 10205, 20410, 22685, 45370, 54793, 109586, 273965, 547930, 712309, 1424618, 3561545, 7123090]

約数ペア:

[(1, 7123090), (2, 3561545), (5, 1424618), (10, 712309), (13, 547930), (26, 273965), (65, 109586), (130, 54793), (157, 45370), (314, 22685), (349, 20410), (698, 10205), (785, 9074), (1570, 4537), (1745, 4082), (2041, 3490)]