1380494038

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{126257}}^1$

素因数の和:126348

約数の個数: 32

約数和(自身を含む): 2618085888

約数和(自身を除く): 1237591850

約数列:

[1, 2, 7, 11, 14, 22, 71, 77, 142, 154, 497, 781, 994, 1562, 5467, 10934, 126257, 252514, 883799, 1388827, 1767598, 2777654, 8964247, 9721789, 17928494, 19443578, 62749729, 98606717, 125499458, 197213434, 690247019, 1380494038]

約数ペア:

[(1, 1380494038), (2, 690247019), (7, 197213434), (11, 125499458), (14, 98606717), (22, 62749729), (71, 19443578), (77, 17928494), (142, 9721789), (154, 8964247), (497, 2777654), (781, 1767598), (994, 1388827), (1562, 883799), (5467, 252514), (10934, 126257)]