853948

素因数分解:

$2^2\times {\mathrm{41}}^2\times {\mathrm{127}}^1$

素因数の和:213

約数の個数: 18

約数和(自身を含む): 1543808

約数和(自身を除く): 689860

約数列:

[1, 2, 4, 41, 82, 127, 164, 254, 508, 1681, 3362, 5207, 6724, 10414, 20828, 213487, 426974, 853948]

約数ペア:

[(1, 853948), (2, 426974), (4, 213487), (41, 20828), (82, 10414), (127, 6724), (164, 5207), (254, 3362), (508, 1681)]