2879964

素因数分解:

$2^2\times 3^2\times {\mathrm{79999}}^1$

素因数の和:80009

約数の個数: 18

約数和(自身を含む): 7280000

約数和(自身を除く): 4400036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79999, 159998, 239997, 319996, 479994, 719991, 959988, 1439982, 2879964]

約数ペア:

[(1, 2879964), (2, 1439982), (3, 959988), (4, 719991), (6, 479994), (9, 319996), (12, 239997), (18, 159998), (36, 79999)]