1279139905

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1\times {\mathrm{7079}}^1$

素因数の和:7664

約数の個数: 16

約数和(自身を含む): 1559865600

約数和(自身を除く): 280725695

約数列:

[1, 5, 71, 355, 509, 2545, 7079, 35395, 36139, 180695, 502609, 2513045, 3603211, 18016055, 255827981, 1279139905]

約数ペア:

[(1, 1279139905), (5, 255827981), (71, 18016055), (355, 3603211), (509, 2513045), (2545, 502609), (7079, 180695), (35395, 36139)]