1680001818

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1\times {\mathrm{2099}}^1$

素因数の和:2363

約数の個数: 64

約数和(自身を含む): 3742502400

約数和(自身を除く): 2062500582

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 67, 134, 181, 201, 362, 402, 543, 737, 1086, 1474, 1991, 2099, 2211, 3982, 4198, 4422, 5973, 6297, 11946, 12127, 12594, 23089, 24254, 36381, 46178, 69267, 72762, 133397, 138534, 140633, 266794, 281266, 379919, 400191, 421899, 759838, 800382, 843798, 1139757, 1546963, 2279514, 3093926, 4179109, 4640889, 8358218, 9281778, 12537327, 25074654, 25454573, 50909146, 76363719, 152727438, 280000303, 560000606, 840000909, 1680001818]

約数ペア:

[(1, 1680001818), (2, 840000909), (3, 560000606), (6, 280000303), (11, 152727438), (22, 76363719), (33, 50909146), (66, 25454573), (67, 25074654), (134, 12537327), (181, 9281778), (201, 8358218), (362, 4640889), (402, 4179109), (543, 3093926), (737, 2279514), (1086, 1546963), (1474, 1139757), (1991, 843798), (2099, 800382), (2211, 759838), (3982, 421899), (4198, 400191), (4422, 379919), (5973, 281266), (6297, 266794), (11946, 140633), (12127, 138534), (12594, 133397), (23089, 72762), (24254, 69267), (36381, 46178)]