12857390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 29030400

約数和(自身を除く): 16173010

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 71, 91, 130, 142, 182, 199, 355, 398, 455, 497, 710, 910, 923, 994, 995, 1393, 1846, 1990, 2485, 2587, 2786, 4615, 4970, 5174, 6461, 6965, 9230, 12922, 12935, 13930, 14129, 18109, 25870, 28258, 32305, 36218, 64610, 70645, 90545, 98903, 141290, 181090, 183677, 197806, 367354, 494515, 918385, 989030, 1285739, 1836770, 2571478, 6428695, 12857390]

約数ペア:

[(1, 12857390), (2, 6428695), (5, 2571478), (7, 1836770), (10, 1285739), (13, 989030), (14, 918385), (26, 494515), (35, 367354), (65, 197806), (70, 183677), (71, 181090), (91, 141290), (130, 98903), (142, 90545), (182, 70645), (199, 64610), (355, 36218), (398, 32305), (455, 28258), (497, 25870), (710, 18109), (910, 14129), (923, 13930), (994, 12935), (995, 12922), (1393, 9230), (1846, 6965), (1990, 6461), (2485, 5174), (2587, 4970), (2786, 4615)]