71046740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{208961}}^1$

素因数の和:208987

約数の個数: 24

約数和(自身を含む): 157975272

約数和(自身を除く): 86928532

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 208961, 417922, 835844, 1044805, 2089610, 3552337, 4179220, 7104674, 14209348, 17761685, 35523370, 71046740]

約数ペア:

[(1, 71046740), (2, 35523370), (4, 17761685), (5, 14209348), (10, 7104674), (17, 4179220), (20, 3552337), (34, 2089610), (68, 1044805), (85, 835844), (170, 417922), (340, 208961)]