25760176

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{457}}^1$

素因数の和:749

約数の個数: 40

約数和(自身を含む): 54065984

約数和(自身を除く): 28305808

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 271, 457, 542, 914, 1084, 1828, 2168, 3523, 3656, 4336, 5941, 7046, 7312, 11882, 14092, 23764, 28184, 47528, 56368, 95056, 123847, 247694, 495388, 990776, 1610011, 1981552, 3220022, 6440044, 12880088, 25760176]

約数ペア:

[(1, 25760176), (2, 12880088), (4, 6440044), (8, 3220022), (13, 1981552), (16, 1610011), (26, 990776), (52, 495388), (104, 247694), (208, 123847), (271, 95056), (457, 56368), (542, 47528), (914, 28184), (1084, 23764), (1828, 14092), (2168, 11882), (3523, 7312), (3656, 7046), (4336, 5941)]