1397366971

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{739}}^1\times {\mathrm{1889}}^1$

素因数の和:2659

約数の個数: 32

約数和(自身を含む): 1879718400

約数和(自身を除く): 482351429

約数列:

[1, 7, 11, 13, 77, 91, 143, 739, 1001, 1889, 5173, 8129, 9607, 13223, 20779, 24557, 56903, 67249, 105677, 145453, 171899, 270127, 739739, 1395971, 1890889, 9771797, 15355681, 18147623, 107489767, 127033361, 199623853, 1397366971]

約数ペア:

[(1, 1397366971), (7, 199623853), (11, 127033361), (13, 107489767), (77, 18147623), (91, 15355681), (143, 9771797), (739, 1890889), (1001, 1395971), (1889, 739739), (5173, 270127), (8129, 171899), (9607, 145453), (13223, 105677), (20779, 67249), (24557, 56903)]