128216510

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{210191}}^1$

素因数の和:210259

約数の個数: 16

約数和(自身を含む): 234574272

約数和(自身を除く): 106357762

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 210191, 420382, 1050955, 2101910, 12821651, 25643302, 64108255, 128216510]

約数ペア:

[(1, 128216510), (2, 64108255), (5, 25643302), (10, 12821651), (61, 2101910), (122, 1050955), (305, 420382), (610, 210191)]