1390226789

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 1828085760

約数和(自身を除く): 437858971

約数列:

[1, 7, 19, 23, 37, 71, 133, 161, 173, 259, 437, 497, 703, 851, 1211, 1349, 1633, 2627, 3059, 3287, 3979, 4921, 5957, 6401, 9443, 11431, 12283, 16169, 18389, 23009, 27853, 31027, 44807, 49913, 60421, 75601, 85981, 113183, 121619, 147223, 217189, 233377, 282509, 349391, 422947, 454471, 529207, 851333, 1030561, 1147999, 1633639, 1977563, 2797237, 3181297, 5367671, 8035993, 8634949, 10452833, 19580659, 37573697, 60444643, 73169831, 198603827, 1390226789]

約数ペア:

[(1, 1390226789), (7, 198603827), (19, 73169831), (23, 60444643), (37, 37573697), (71, 19580659), (133, 10452833), (161, 8634949), (173, 8035993), (259, 5367671), (437, 3181297), (497, 2797237), (703, 1977563), (851, 1633639), (1211, 1147999), (1349, 1030561), (1633, 851333), (2627, 529207), (3059, 454471), (3287, 422947), (3979, 349391), (4921, 282509), (5957, 233377), (6401, 217189), (9443, 147223), (11431, 121619), (12283, 113183), (16169, 85981), (18389, 75601), (23009, 60421), (27853, 49913), (31027, 44807)]