388618984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{29423}}^1$

素因数の和:29569

約数の個数: 32

約数和(自身を含む): 790917120

約数和(自身を除く): 402298136

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 127, 254, 508, 1016, 1651, 3302, 6604, 13208, 29423, 58846, 117692, 235384, 382499, 764998, 1529996, 3059992, 3736721, 7473442, 14946884, 29893768, 48577373, 97154746, 194309492, 388618984]

約数ペア:

[(1, 388618984), (2, 194309492), (4, 97154746), (8, 48577373), (13, 29893768), (26, 14946884), (52, 7473442), (104, 3736721), (127, 3059992), (254, 1529996), (508, 764998), (1016, 382499), (1651, 235384), (3302, 117692), (6604, 58846), (13208, 29423)]