81688428

素因数分解:

$2^2\times 3^2\times {\mathrm{163}}^1\times {\mathrm{13921}}^1$

素因数の和:14094

約数の個数: 36

約数和(自身を含む): 207771928

約数和(自身を除く): 126083500

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 163, 326, 489, 652, 978, 1467, 1956, 2934, 5868, 13921, 27842, 41763, 55684, 83526, 125289, 167052, 250578, 501156, 2269123, 4538246, 6807369, 9076492, 13614738, 20422107, 27229476, 40844214, 81688428]

約数ペア:

[(1, 81688428), (2, 40844214), (3, 27229476), (4, 20422107), (6, 13614738), (9, 9076492), (12, 6807369), (18, 4538246), (36, 2269123), (163, 501156), (326, 250578), (489, 167052), (652, 125289), (978, 83526), (1467, 55684), (1956, 41763), (2934, 27842), (5868, 13921)]