128540882

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{379}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 206513280

約数和(自身を除く): 77972398

約数列:

[1, 2, 23, 46, 73, 101, 146, 202, 379, 758, 1679, 2323, 3358, 4646, 7373, 8717, 14746, 17434, 27667, 38279, 55334, 76558, 169579, 339158, 636341, 880417, 1272682, 1760834, 2794367, 5588734, 64270441, 128540882]

約数ペア:

[(1, 128540882), (2, 64270441), (23, 5588734), (46, 2794367), (73, 1760834), (101, 1272682), (146, 880417), (202, 636341), (379, 339158), (758, 169579), (1679, 76558), (2323, 55334), (3358, 38279), (4646, 27667), (7373, 17434), (8717, 14746)]