917072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{4409}}^1$

素因数の和:4430

約数の個数: 20

約数和(自身を含む): 1913940

約数和(自身を除く): 996868

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 4409, 8818, 17636, 35272, 57317, 70544, 114634, 229268, 458536, 917072]

約数ペア:

[(1, 917072), (2, 458536), (4, 229268), (8, 114634), (13, 70544), (16, 57317), (26, 35272), (52, 17636), (104, 8818), (208, 4409)]