128581948

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{433}}^1$

素因数の和:862

約数の個数: 48

約数和(自身を含む): 261170784

約数和(自身を除く): 132588836

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 397, 433, 748, 794, 866, 1588, 1732, 4367, 4763, 6749, 7361, 8734, 9526, 13498, 14722, 17468, 19052, 26996, 29444, 74239, 80971, 148478, 161942, 171901, 296956, 323884, 343802, 687604, 1890911, 2922317, 3781822, 5844634, 7563644, 11689268, 32145487, 64290974, 128581948]

約数ペア:

[(1, 128581948), (2, 64290974), (4, 32145487), (11, 11689268), (17, 7563644), (22, 5844634), (34, 3781822), (44, 2922317), (68, 1890911), (187, 687604), (374, 343802), (397, 323884), (433, 296956), (748, 171901), (794, 161942), (866, 148478), (1588, 80971), (1732, 74239), (4367, 29444), (4763, 26996), (6749, 19052), (7361, 17468), (8734, 14722), (9526, 13498)]