218515836

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{21499}}^1$

素因数の和:21535

約数の個数: 72

約数和(自身を含む): 640528000

約数和(自身を除く): 422012164

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 121, 132, 154, 231, 242, 308, 363, 462, 484, 726, 847, 924, 1452, 1694, 2541, 3388, 5082, 10164, 21499, 42998, 64497, 85996, 128994, 150493, 236489, 257988, 300986, 451479, 472978, 601972, 709467, 902958, 945956, 1418934, 1655423, 1805916, 2601379, 2837868, 3310846, 4966269, 5202758, 6621692, 7804137, 9932538, 10405516, 15608274, 18209653, 19865076, 31216548, 36419306, 54628959, 72838612, 109257918, 218515836]

約数ペア:

[(1, 218515836), (2, 109257918), (3, 72838612), (4, 54628959), (6, 36419306), (7, 31216548), (11, 19865076), (12, 18209653), (14, 15608274), (21, 10405516), (22, 9932538), (28, 7804137), (33, 6621692), (42, 5202758), (44, 4966269), (66, 3310846), (77, 2837868), (84, 2601379), (121, 1805916), (132, 1655423), (154, 1418934), (231, 945956), (242, 902958), (308, 709467), (363, 601972), (462, 472978), (484, 451479), (726, 300986), (847, 257988), (924, 236489), (1452, 150493), (1694, 128994), (2541, 85996), (3388, 64497), (5082, 42998), (10164, 21499)]