31964816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{643}}^1$

素因数の和:903

約数の個数: 40

約数和(自身を含む): 67079040

約数和(自身を除く): 35114224

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 239, 478, 643, 956, 1286, 1912, 2572, 3107, 3824, 5144, 6214, 8359, 10288, 12428, 16718, 24856, 33436, 49712, 66872, 133744, 153677, 307354, 614708, 1229416, 1997801, 2458832, 3995602, 7991204, 15982408, 31964816]

約数ペア:

[(1, 31964816), (2, 15982408), (4, 7991204), (8, 3995602), (13, 2458832), (16, 1997801), (26, 1229416), (52, 614708), (104, 307354), (208, 153677), (239, 133744), (478, 66872), (643, 49712), (956, 33436), (1286, 24856), (1912, 16718), (2572, 12428), (3107, 10288), (3824, 8359), (5144, 6214)]