71709740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{210911}}^1$

素因数の和:210937

約数の個数: 24

約数和(自身を含む): 159449472

約数和(自身を除く): 87739732

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 210911, 421822, 843644, 1054555, 2109110, 3585487, 4218220, 7170974, 14341948, 17927435, 35854870, 71709740]

約数ペア:

[(1, 71709740), (2, 35854870), (4, 17927435), (5, 14341948), (10, 7170974), (17, 4218220), (20, 3585487), (34, 2109110), (68, 1054555), (85, 843644), (170, 421822), (340, 210911)]