205693072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{988909}}^1$

素因数の和:988930

約数の個数: 20

約数和(自身を含む): 429186940

約数和(自身を除く): 223493868

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 988909, 1977818, 3955636, 7911272, 12855817, 15822544, 25711634, 51423268, 102846536, 205693072]

約数ペア:

[(1, 205693072), (2, 102846536), (4, 51423268), (8, 25711634), (13, 15822544), (16, 12855817), (26, 7911272), (52, 3955636), (104, 1977818), (208, 988909)]