640147684

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{632557}}^1$

素因数の和:632595

約数の個数: 24

約数和(自身を含む): 1275236928

約数和(自身を除く): 635089244

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 632557, 1265114, 2530228, 6958127, 13916254, 14548811, 27832508, 29097622, 58195244, 160036921, 320073842, 640147684]

約数ペア:

[(1, 640147684), (2, 320073842), (4, 160036921), (11, 58195244), (22, 29097622), (23, 27832508), (44, 14548811), (46, 13916254), (92, 6958127), (253, 2530228), (506, 1265114), (1012, 632557)]