1663019824

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{223}}^1\times {\mathrm{5237}}^1$

素因数の和:5557

約数の個数: 40

約数和(自身を含む): 3273540480

約数和(自身を除く): 1610520656

約数列:

[1, 2, 4, 8, 16, 89, 178, 223, 356, 446, 712, 892, 1424, 1784, 3568, 5237, 10474, 19847, 20948, 39694, 41896, 79388, 83792, 158776, 317552, 466093, 932186, 1167851, 1864372, 2335702, 3728744, 4671404, 7457488, 9342808, 18685616, 103938739, 207877478, 415754956, 831509912, 1663019824]

約数ペア:

[(1, 1663019824), (2, 831509912), (4, 415754956), (8, 207877478), (16, 103938739), (89, 18685616), (178, 9342808), (223, 7457488), (356, 4671404), (446, 3728744), (712, 2335702), (892, 1864372), (1424, 1167851), (1784, 932186), (3568, 466093), (5237, 317552), (10474, 158776), (19847, 83792), (20948, 79388), (39694, 41896)]