990413818

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{997}}^1\times {\mathrm{3911}}^1$

素因数の和:5037

約数の個数: 16

約数和(自身を含む): 1499203584

約数和(自身を除く): 508789766

約数列:

[1, 2, 127, 254, 997, 1994, 3911, 7822, 126619, 253238, 496697, 993394, 3899267, 7798534, 495206909, 990413818]

約数ペア:

[(1, 990413818), (2, 495206909), (127, 7798534), (254, 3899267), (997, 993394), (1994, 496697), (3911, 253238), (7822, 126619)]