171888269

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{677}}^1$

素因数の和:809

約数の個数: 32

約数和(自身を含む): 218695680

約数和(自身を除く): 46807411

約数列:

[1, 7, 19, 23, 83, 133, 161, 437, 581, 677, 1577, 1909, 3059, 4739, 11039, 12863, 13363, 15571, 36271, 56191, 90041, 108997, 253897, 295849, 393337, 1067629, 1292393, 2070943, 7473403, 9046751, 24555467, 171888269]

約数ペア:

[(1, 171888269), (7, 24555467), (19, 9046751), (23, 7473403), (83, 2070943), (133, 1292393), (161, 1067629), (437, 393337), (581, 295849), (677, 253897), (1577, 108997), (1909, 90041), (3059, 56191), (4739, 36271), (11039, 15571), (12863, 13363)]