64939628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{23563}}^1$

素因数の和:23633

約数の個数: 24

約数和(自身を含む): 124700688

約数和(自身を除く): 59761060

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 23563, 47126, 94252, 306319, 612638, 1225276, 1248839, 2497678, 4995356, 16234907, 32469814, 64939628]

約数ペア:

[(1, 64939628), (2, 32469814), (4, 16234907), (13, 4995356), (26, 2497678), (52, 1248839), (53, 1225276), (106, 612638), (212, 306319), (689, 94252), (1378, 47126), (2756, 23563)]