857168

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{317}}^1$

素因数の和:351

約数の個数: 30

約数和(自身を含む): 1804014

約数和(自身を除く): 946846

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 317, 338, 634, 676, 1268, 1352, 2536, 2704, 4121, 5072, 8242, 16484, 32968, 53573, 65936, 107146, 214292, 428584, 857168]

約数ペア:

[(1, 857168), (2, 428584), (4, 214292), (8, 107146), (13, 65936), (16, 53573), (26, 32968), (52, 16484), (104, 8242), (169, 5072), (208, 4121), (317, 2704), (338, 2536), (634, 1352), (676, 1268)]