128804716

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{21283}}^1$

素因数の和:21393

約数の個数: 24

約数和(自身を含む): 241360560

約数和(自身を除く): 112555844

約数列:

[1, 2, 4, 17, 34, 68, 89, 178, 356, 1513, 3026, 6052, 21283, 42566, 85132, 361811, 723622, 1447244, 1894187, 3788374, 7576748, 32201179, 64402358, 128804716]

約数ペア:

[(1, 128804716), (2, 64402358), (4, 32201179), (17, 7576748), (34, 3788374), (68, 1894187), (89, 1447244), (178, 723622), (356, 361811), (1513, 85132), (3026, 42566), (6052, 21283)]