647573990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{196831}}^1$

素因数の和:196892

約数の個数: 32

約数和(自身を含む): 1360502784

約数和(自身を除く): 712928794

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 329, 470, 658, 1645, 3290, 196831, 393662, 984155, 1377817, 1968310, 2755634, 6889085, 9251057, 13778170, 18502114, 46255285, 64757399, 92510570, 129514798, 323786995, 647573990]

約数ペア:

[(1, 647573990), (2, 323786995), (5, 129514798), (7, 92510570), (10, 64757399), (14, 46255285), (35, 18502114), (47, 13778170), (70, 9251057), (94, 6889085), (235, 2755634), (329, 1968310), (470, 1377817), (658, 984155), (1645, 393662), (3290, 196831)]