39878488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{701}}^1$

素因数の和:1267

約数の個数: 32

約数和(自身を含む): 80786160

約数和(自身を除く): 40907672

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 547, 701, 1094, 1402, 2188, 2804, 4376, 5608, 7111, 9113, 14222, 18226, 28444, 36452, 56888, 72904, 383447, 766894, 1533788, 3067576, 4984811, 9969622, 19939244, 39878488]

約数ペア:

[(1, 39878488), (2, 19939244), (4, 9969622), (8, 4984811), (13, 3067576), (26, 1533788), (52, 766894), (104, 383447), (547, 72904), (701, 56888), (1094, 36452), (1402, 28444), (2188, 18226), (2804, 14222), (4376, 9113), (5608, 7111)]