215575978

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{433}}^1\times {\mathrm{2797}}^1$

素因数の和:3321

約数の個数: 16

約数和(自身を含む): 327869640

約数和(自身を除く): 112293662

約数列:

[1, 2, 89, 178, 433, 866, 2797, 5594, 38537, 77074, 248933, 497866, 1211101, 2422202, 107787989, 215575978]

約数ペア:

[(1, 215575978), (2, 107787989), (89, 2422202), (178, 1211101), (433, 497866), (866, 248933), (2797, 77074), (5594, 38537)]