1279661690

素因数分解:

$2^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{202799}}^1$

素因数の和:203437

約数の個数: 16

約数和(自身を含む): 2307052800

約数和(自身を除く): 1027391110

約数列:

[1, 2, 5, 10, 631, 1262, 3155, 6310, 202799, 405598, 1013995, 2027990, 127966169, 255932338, 639830845, 1279661690]

約数ペア:

[(1, 1279661690), (2, 639830845), (5, 255932338), (10, 127966169), (631, 2027990), (1262, 1013995), (3155, 405598), (6310, 202799)]