131138570

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{6701}}^1$

素因数の和:6830

約数の個数: 32

約数和(自身を含む): 250922880

約数和(自身を除く): 119784310

約数列:

[1, 2, 5, 10, 19, 38, 95, 103, 190, 206, 515, 1030, 1957, 3914, 6701, 9785, 13402, 19570, 33505, 67010, 127319, 254638, 636595, 690203, 1273190, 1380406, 3451015, 6902030, 13113857, 26227714, 65569285, 131138570]

約数ペア:

[(1, 131138570), (2, 65569285), (5, 26227714), (10, 13113857), (19, 6902030), (38, 3451015), (95, 1380406), (103, 1273190), (190, 690203), (206, 636595), (515, 254638), (1030, 127319), (1957, 67010), (3914, 33505), (6701, 19570), (9785, 13402)]