71728670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{42443}}^1$

素因数の和:42476

約数の個数: 24

約数和(自身を含む): 139810536

約数和(自身を除く): 68081866

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 42443, 84886, 212215, 424430, 551759, 1103518, 2758795, 5517590, 7172867, 14345734, 35864335, 71728670]

約数ペア:

[(1, 71728670), (2, 35864335), (5, 14345734), (10, 7172867), (13, 5517590), (26, 2758795), (65, 1103518), (130, 551759), (169, 424430), (338, 212215), (845, 84886), (1690, 42443)]