212914806

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{263}}^1$

素因数の和:485

約数の個数: 64

約数和(自身を含む): 469421568

約数和(自身を除く): 256506762

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 97, 107, 194, 214, 263, 291, 321, 526, 582, 642, 789, 1261, 1391, 1578, 2522, 2782, 3419, 3783, 4173, 6838, 7566, 8346, 10257, 10379, 20514, 20758, 25511, 28141, 31137, 51022, 56282, 62274, 76533, 84423, 134927, 153066, 168846, 269854, 331643, 365833, 404781, 663286, 731666, 809562, 994929, 1097499, 1989858, 2194998, 2729677, 5459354, 8189031, 16378062, 35485801, 70971602, 106457403, 212914806]

約数ペア:

[(1, 212914806), (2, 106457403), (3, 70971602), (6, 35485801), (13, 16378062), (26, 8189031), (39, 5459354), (78, 2729677), (97, 2194998), (107, 1989858), (194, 1097499), (214, 994929), (263, 809562), (291, 731666), (321, 663286), (526, 404781), (582, 365833), (642, 331643), (789, 269854), (1261, 168846), (1391, 153066), (1578, 134927), (2522, 84423), (2782, 76533), (3419, 62274), (3783, 56282), (4173, 51022), (6838, 31137), (7566, 28141), (8346, 25511), (10257, 20758), (10379, 20514)]