638014726

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{1063}}^1$

素因数の和:1348

約数の個数: 32

約数和(自身を含む): 1029611520

約数和(自身を除く): 391596794

約数列:

[1, 2, 17, 34, 127, 139, 254, 278, 1063, 2126, 2159, 2363, 4318, 4726, 17653, 18071, 35306, 36142, 135001, 147757, 270002, 295514, 300101, 600202, 2295017, 2511869, 4590034, 5023738, 18765139, 37530278, 319007363, 638014726]

約数ペア:

[(1, 638014726), (2, 319007363), (17, 37530278), (34, 18765139), (127, 5023738), (139, 4590034), (254, 2511869), (278, 2295017), (1063, 600202), (2126, 300101), (2159, 295514), (2363, 270002), (4318, 147757), (4726, 135001), (17653, 36142), (18071, 35306)]