199981188

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{1447}}^1$

素因数の和:1817

約数の個数: 72

約数和(自身を含む): 553425600

約数和(自身を除く): 353444412

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 349, 396, 698, 1047, 1396, 1447, 2094, 2894, 3141, 3839, 4188, 4341, 5788, 6282, 7678, 8682, 11517, 12564, 13023, 15356, 15917, 17364, 23034, 26046, 31834, 34551, 46068, 47751, 52092, 63668, 69102, 95502, 138204, 143253, 191004, 286506, 505003, 573012, 1010006, 1515009, 2020012, 3030018, 4545027, 5555033, 6060036, 9090054, 11110066, 16665099, 18180108, 22220132, 33330198, 49995297, 66660396, 99990594, 199981188]

約数ペア:

[(1, 199981188), (2, 99990594), (3, 66660396), (4, 49995297), (6, 33330198), (9, 22220132), (11, 18180108), (12, 16665099), (18, 11110066), (22, 9090054), (33, 6060036), (36, 5555033), (44, 4545027), (66, 3030018), (99, 2020012), (132, 1515009), (198, 1010006), (349, 573012), (396, 505003), (698, 286506), (1047, 191004), (1396, 143253), (1447, 138204), (2094, 95502), (2894, 69102), (3141, 63668), (3839, 52092), (4188, 47751), (4341, 46068), (5788, 34551), (6282, 31834), (7678, 26046), (8682, 23034), (11517, 17364), (12564, 15917), (13023, 15356)]