890203418

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{52919}}^1$

素因数の和:53581

約数の個数: 16

約数和(自身を含む): 1440270720

約数和(自身を除く): 550067302

約数列:

[1, 2, 13, 26, 647, 1294, 8411, 16822, 52919, 105838, 687947, 1375894, 34238593, 68477186, 445101709, 890203418]

約数ペア:

[(1, 890203418), (2, 445101709), (13, 68477186), (26, 34238593), (647, 1375894), (1294, 687947), (8411, 105838), (16822, 52919)]