639965930

素因数分解:

$2^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{598099}}^1$

素因数の和:598213

約数の個数: 16

約数和(自身を含む): 1162706400

約数和(自身を除く): 522740470

約数列:

[1, 2, 5, 10, 107, 214, 535, 1070, 598099, 1196198, 2990495, 5980990, 63996593, 127993186, 319982965, 639965930]

約数ペア:

[(1, 639965930), (2, 319982965), (5, 127993186), (10, 63996593), (107, 5980990), (214, 2990495), (535, 1196198), (1070, 598099)]