128889704

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{389}}^1\times {\mathrm{499}}^1$

素因数の和:977

約数の個数: 32

約数和(自身を含む): 245700000

約数和(自身を除く): 116810296

約数列:

[1, 2, 4, 8, 83, 166, 332, 389, 499, 664, 778, 998, 1556, 1996, 3112, 3992, 32287, 41417, 64574, 82834, 129148, 165668, 194111, 258296, 331336, 388222, 776444, 1552888, 16111213, 32222426, 64444852, 128889704]

約数ペア:

[(1, 128889704), (2, 64444852), (4, 32222426), (8, 16111213), (83, 1552888), (166, 776444), (332, 388222), (389, 331336), (499, 258296), (664, 194111), (778, 165668), (998, 129148), (1556, 82834), (1996, 64574), (3112, 41417), (3992, 32287)]