289881214

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{15349}}^1$

素因数の和:15448

約数の個数: 32

約数和(自身を含む): 530496000

約数和(自身を除く): 240614786

約数列:

[1, 2, 7, 14, 19, 38, 71, 133, 142, 266, 497, 994, 1349, 2698, 9443, 15349, 18886, 30698, 107443, 214886, 291631, 583262, 1089779, 2041417, 2179558, 4082834, 7628453, 15256906, 20705801, 41411602, 144940607, 289881214]

約数ペア:

[(1, 289881214), (2, 144940607), (7, 41411602), (14, 20705801), (19, 15256906), (38, 7628453), (71, 4082834), (133, 2179558), (142, 2041417), (266, 1089779), (497, 583262), (994, 291631), (1349, 214886), (2698, 107443), (9443, 30698), (15349, 18886)]