131872

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{317}}^1$

素因数の和:340

約数の個数: 24

約数和(自身を含む): 280476

約数和(自身を除く): 148604

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 317, 416, 634, 1268, 2536, 4121, 5072, 8242, 10144, 16484, 32968, 65936, 131872]

約数ペア:

[(1, 131872), (2, 65936), (4, 32968), (8, 16484), (13, 10144), (16, 8242), (26, 5072), (32, 4121), (52, 2536), (104, 1268), (208, 634), (317, 416)]