128781508

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{4229}}^1$

素因数の和:4587

約数の個数: 24

約数和(自身を含む): 235932480

約数和(自身を除く): 107150972

約数列:

[1, 2, 4, 23, 46, 92, 331, 662, 1324, 4229, 7613, 8458, 15226, 16916, 30452, 97267, 194534, 389068, 1399799, 2799598, 5599196, 32195377, 64390754, 128781508]

約数ペア:

[(1, 128781508), (2, 64390754), (4, 32195377), (23, 5599196), (46, 2799598), (92, 1399799), (331, 389068), (662, 194534), (1324, 97267), (4229, 30452), (7613, 16916), (8458, 15226)]