81385948

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1373}}^1$

素因数の和:1486

約数の個数: 48

約数和(自身を含む): 170815680

約数和(自身を除く): 89429732

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 73, 116, 146, 203, 292, 406, 511, 812, 1022, 1373, 2044, 2117, 2746, 4234, 5492, 8468, 9611, 14819, 19222, 29638, 38444, 39817, 59276, 79634, 100229, 159268, 200458, 278719, 400916, 557438, 701603, 1114876, 1403206, 2806412, 2906641, 5813282, 11626564, 20346487, 40692974, 81385948]

約数ペア:

[(1, 81385948), (2, 40692974), (4, 20346487), (7, 11626564), (14, 5813282), (28, 2906641), (29, 2806412), (58, 1403206), (73, 1114876), (116, 701603), (146, 557438), (203, 400916), (292, 278719), (406, 200458), (511, 159268), (812, 100229), (1022, 79634), (1373, 59276), (2044, 39817), (2117, 38444), (2746, 29638), (4234, 19222), (5492, 14819), (8468, 9611)]