128217910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{754223}}^1$

素因数の和:754247

約数の個数: 16

約数和(自身を含む): 244368576

約数和(自身を除く): 116150666

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 754223, 1508446, 3771115, 7542230, 12821791, 25643582, 64108955, 128217910]

約数ペア:

[(1, 128217910), (2, 64108955), (5, 25643582), (10, 12821791), (17, 7542230), (34, 3771115), (85, 1508446), (170, 754223)]