628778890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2028319}}^1$

素因数の和:2028357

約数の個数: 16

約数和(自身を含む): 1168312320

約数和(自身を除く): 539533430

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 2028319, 4056638, 10141595, 20283190, 62877889, 125755778, 314389445, 628778890]

約数ペア:

[(1, 628778890), (2, 314389445), (5, 125755778), (10, 62877889), (31, 20283190), (62, 10141595), (155, 4056638), (310, 2028319)]