81324678

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1\times {\mathrm{547}}^1$

素因数の和:972

約数の個数: 32

約数和(自身を含む): 165715200

約数和(自身を除く): 84390522

約数列:

[1, 2, 3, 6, 71, 142, 213, 349, 426, 547, 698, 1047, 1094, 1641, 2094, 3282, 24779, 38837, 49558, 74337, 77674, 116511, 148674, 190903, 233022, 381806, 572709, 1145418, 13554113, 27108226, 40662339, 81324678]

約数ペア:

[(1, 81324678), (2, 40662339), (3, 27108226), (6, 13554113), (71, 1145418), (142, 572709), (213, 381806), (349, 233022), (426, 190903), (547, 148674), (698, 116511), (1047, 77674), (1094, 74337), (1641, 49558), (2094, 38837), (3282, 24779)]