2720458

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5507}}^1$

素因数の和:5541

約数の個数: 16

約数和(自身を含む): 4626720

約数和(自身を除く): 1906262

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 5507, 11014, 71591, 104633, 143182, 209266, 1360229, 2720458]

約数ペア:

[(1, 2720458), (2, 1360229), (13, 209266), (19, 143182), (26, 104633), (38, 71591), (247, 11014), (494, 5507)]