56109404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{20359}}^1$

素因数の和:20429

約数の個数: 24

約数和(自身を含む): 107745120

約数和(自身を除く): 51635716

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 20359, 40718, 81436, 264667, 529334, 1058668, 1079027, 2158054, 4316108, 14027351, 28054702, 56109404]

約数ペア:

[(1, 56109404), (2, 28054702), (4, 14027351), (13, 4316108), (26, 2158054), (52, 1079027), (53, 1058668), (106, 529334), (212, 264667), (689, 81436), (1378, 40718), (2756, 20359)]