648841570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{919}}^1\times {\mathrm{5431}}^1$

素因数の和:6370

約数の個数: 32

約数和(自身を含む): 1259354880

約数和(自身を除く): 610513310

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 919, 1838, 4595, 5431, 9190, 10862, 11947, 23894, 27155, 54310, 59735, 70603, 119470, 141206, 353015, 706030, 4991089, 9982178, 24955445, 49910890, 64884157, 129768314, 324420785, 648841570]

約数ペア:

[(1, 648841570), (2, 324420785), (5, 129768314), (10, 64884157), (13, 49910890), (26, 24955445), (65, 9982178), (130, 4991089), (919, 706030), (1838, 353015), (4595, 141206), (5431, 119470), (9190, 70603), (10862, 59735), (11947, 54310), (23894, 27155)]