71618620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{210643}}^1$

素因数の和:210669

約数の個数: 24

約数和(自身を含む): 159246864

約数和(自身を除く): 87628244

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 210643, 421286, 842572, 1053215, 2106430, 3580931, 4212860, 7161862, 14323724, 17904655, 35809310, 71618620]

約数ペア:

[(1, 71618620), (2, 35809310), (4, 17904655), (5, 14323724), (10, 7161862), (17, 4212860), (20, 3580931), (34, 2106430), (68, 1053215), (85, 842572), (170, 421286), (340, 210643)]