89970916

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{271}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 184246272

約数和(自身を除く): 94275356

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 167, 271, 284, 334, 497, 542, 668, 994, 1084, 1169, 1897, 1988, 2338, 3794, 4676, 7588, 11857, 19241, 23714, 38482, 45257, 47428, 76964, 82999, 90514, 134687, 165998, 181028, 269374, 316799, 331996, 538748, 633598, 1267196, 3213247, 6426494, 12852988, 22492729, 44985458, 89970916]

約数ペア:

[(1, 89970916), (2, 44985458), (4, 22492729), (7, 12852988), (14, 6426494), (28, 3213247), (71, 1267196), (142, 633598), (167, 538748), (271, 331996), (284, 316799), (334, 269374), (497, 181028), (542, 165998), (668, 134687), (994, 90514), (1084, 82999), (1169, 76964), (1897, 47428), (1988, 45257), (2338, 38482), (3794, 23714), (4676, 19241), (7588, 11857)]