81318548

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{4547}}^1$

素因数の和:4831

約数の個数: 24

約数和(自身を含む): 151284672

約数和(自身を除く): 69966124

約数列:

[1, 2, 4, 17, 34, 68, 263, 526, 1052, 4471, 4547, 8942, 9094, 17884, 18188, 77299, 154598, 309196, 1195861, 2391722, 4783444, 20329637, 40659274, 81318548]

約数ペア:

[(1, 81318548), (2, 40659274), (4, 20329637), (17, 4783444), (34, 2391722), (68, 1195861), (263, 309196), (526, 154598), (1052, 77299), (4471, 18188), (4547, 17884), (8942, 9094)]