640017653530

素因数分解:

$2^1\times 5^1\times {\mathrm{648257}}^1\times {\mathrm{98729}}^1$

素因数の和:746993

約数の個数: 16

約数和(自身を含む): 1152045222120

約数和(自身を除く): 512027568590

約数列:

[1, 2, 5, 10, 98729, 197458, 493645, 648257, 987290, 1296514, 3241285, 6482570, 64001765353, 128003530706, 320008826765, 640017653530]

約数ペア:

[(1, 640017653530), (2, 320008826765), (5, 128003530706), (10, 64001765353), (98729, 6482570), (197458, 3241285), (493645, 1296514), (648257, 987290)]