2017489990

素因数分解:

$2^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{319729}}^1$

素因数の和:320367

約数の個数: 16

約数和(自身を含む): 3637248480

約数和(自身を除く): 1619758490

約数列:

[1, 2, 5, 10, 631, 1262, 3155, 6310, 319729, 639458, 1598645, 3197290, 201748999, 403497998, 1008744995, 2017489990]

約数ペア:

[(1, 2017489990), (2, 1008744995), (5, 403497998), (10, 201748999), (631, 3197290), (1262, 1598645), (3155, 639458), (6310, 319729)]