2012181535

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{313}}^1$

素因数の和:608

約数の個数: 64

約数和(自身を含む): 3038515200

約数和(自身を除く): 1026333665

約数列:

[1, 5, 7, 13, 35, 65, 71, 91, 199, 313, 355, 455, 497, 923, 995, 1393, 1565, 2191, 2485, 2587, 4069, 4615, 6461, 6965, 10955, 12935, 14129, 18109, 20345, 22223, 28483, 32305, 62287, 70645, 90545, 98903, 111115, 142415, 155561, 183677, 288899, 311435, 436009, 494515, 777805, 809731, 918385, 1285739, 1444495, 2022293, 2180045, 4048655, 4422377, 5668117, 6428695, 10111465, 22111885, 28340585, 30956639, 57490901, 154783195, 287454505, 402436307, 2012181535]

約数ペア:

[(1, 2012181535), (5, 402436307), (7, 287454505), (13, 154783195), (35, 57490901), (65, 30956639), (71, 28340585), (91, 22111885), (199, 10111465), (313, 6428695), (355, 5668117), (455, 4422377), (497, 4048655), (923, 2180045), (995, 2022293), (1393, 1444495), (1565, 1285739), (2191, 918385), (2485, 809731), (2587, 777805), (4069, 494515), (4615, 436009), (6461, 311435), (6965, 288899), (10955, 183677), (12935, 155561), (14129, 142415), (18109, 111115), (20345, 98903), (22223, 90545), (28483, 70645), (32305, 62287)]