1285289992

素因数分解:

$2^3\times 7^2\times {\mathrm{107}}^1\times {\mathrm{30643}}^1$

素因数の和:30770

約数の個数: 48

約数和(自身を含む): 2829666960

約数和(自身を除く): 1544376968

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 107, 196, 214, 392, 428, 749, 856, 1498, 2996, 5243, 5992, 10486, 20972, 30643, 41944, 61286, 122572, 214501, 245144, 429002, 858004, 1501507, 1716008, 3003014, 3278801, 6006028, 6557602, 12012056, 13115204, 22951607, 26230408, 45903214, 91806428, 160661249, 183612856, 321322498, 642644996, 1285289992]

約数ペア:

[(1, 1285289992), (2, 642644996), (4, 321322498), (7, 183612856), (8, 160661249), (14, 91806428), (28, 45903214), (49, 26230408), (56, 22951607), (98, 13115204), (107, 12012056), (196, 6557602), (214, 6006028), (392, 3278801), (428, 3003014), (749, 1716008), (856, 1501507), (1498, 858004), (2996, 429002), (5243, 245144), (5992, 214501), (10486, 122572), (20972, 61286), (30643, 41944)]