81717734

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{359}}^1$

素因数の和:668

約数の個数: 32

約数和(自身を含む): 143078400

約数和(自身を除く): 61360666

約数列:

[1, 2, 7, 14, 71, 142, 229, 359, 458, 497, 718, 994, 1603, 2513, 3206, 5026, 16259, 25489, 32518, 50978, 82211, 113813, 164422, 178423, 227626, 356846, 575477, 1150954, 5836981, 11673962, 40858867, 81717734]

約数ペア:

[(1, 81717734), (2, 40858867), (7, 11673962), (14, 5836981), (71, 1150954), (142, 575477), (229, 356846), (359, 227626), (458, 178423), (497, 164422), (718, 113813), (994, 82211), (1603, 50978), (2513, 32518), (3206, 25489), (5026, 16259)]