287056445

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1223}}^1$

素因数の和:1421

約数の個数: 32

約数和(自身を含む): 389878272

約数和(自身を除く): 102821827

約数列:

[1, 5, 13, 23, 65, 115, 157, 299, 785, 1223, 1495, 2041, 3611, 6115, 10205, 15899, 18055, 28129, 46943, 79495, 140645, 192011, 234715, 365677, 960055, 1828385, 2496143, 4416253, 12480715, 22081265, 57411289, 287056445]

約数ペア:

[(1, 287056445), (5, 57411289), (13, 22081265), (23, 12480715), (65, 4416253), (115, 2496143), (157, 1828385), (299, 960055), (785, 365677), (1223, 234715), (1495, 192011), (2041, 140645), (3611, 79495), (6115, 46943), (10205, 28129), (15899, 18055)]