428834718

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1907}}^1$

素因数の和:1990

約数の個数: 72

約数和(自身を含む): 1034475624

約数和(自身を除く): 605640906

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 186, 234, 279, 403, 558, 806, 961, 1209, 1907, 1922, 2418, 2883, 3627, 3814, 5721, 5766, 7254, 8649, 11442, 12493, 17163, 17298, 24791, 24986, 34326, 37479, 49582, 59117, 74373, 74958, 112437, 118234, 148746, 177351, 223119, 224874, 354702, 446238, 532053, 768521, 1064106, 1537042, 1832627, 2305563, 3665254, 4611126, 5497881, 6916689, 10995762, 13833378, 16493643, 23824151, 32987286, 47648302, 71472453, 142944906, 214417359, 428834718]

約数ペア:

[(1, 428834718), (2, 214417359), (3, 142944906), (6, 71472453), (9, 47648302), (13, 32987286), (18, 23824151), (26, 16493643), (31, 13833378), (39, 10995762), (62, 6916689), (78, 5497881), (93, 4611126), (117, 3665254), (186, 2305563), (234, 1832627), (279, 1537042), (403, 1064106), (558, 768521), (806, 532053), (961, 446238), (1209, 354702), (1907, 224874), (1922, 223119), (2418, 177351), (2883, 148746), (3627, 118234), (3814, 112437), (5721, 74958), (5766, 74373), (7254, 59117), (8649, 49582), (11442, 37479), (12493, 34326), (17163, 24986), (17298, 24791)]