81608884

素因数分解:

$2^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{17881}}^1$

素因数の和:18055

約数の個数: 24

約数和(自身を含む): 164228288

約数和(自身を除く): 82619404

約数列:

[1, 2, 4, 7, 14, 28, 163, 326, 652, 1141, 2282, 4564, 17881, 35762, 71524, 125167, 250334, 500668, 2914603, 5829206, 11658412, 20402221, 40804442, 81608884]

約数ペア:

[(1, 81608884), (2, 40804442), (4, 20402221), (7, 11658412), (14, 5829206), (28, 2914603), (163, 500668), (326, 250334), (652, 125167), (1141, 71524), (2282, 35762), (4564, 17881)]