66918436

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{24281}}^1$

素因数の和:24351

約数の個数: 24

約数和(自身を含む): 128500344

約数和(自身を除く): 61581908

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 24281, 48562, 97124, 315653, 631306, 1262612, 1286893, 2573786, 5147572, 16729609, 33459218, 66918436]

約数ペア:

[(1, 66918436), (2, 33459218), (4, 16729609), (13, 5147572), (26, 2573786), (52, 1286893), (53, 1262612), (106, 631306), (212, 315653), (689, 97124), (1378, 48562), (2756, 24281)]