128897748

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26921}}^1$

素因数の和:26957

約数の個数: 72

約数和(自身を含む): 391984320

約数和(自身を除く): 263086572

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4788, 26921, 53842, 80763, 107684, 161526, 188447, 242289, 323052, 376894, 484578, 511499, 565341, 753788, 969156, 1022998, 1130682, 1534497, 1696023, 2045996, 2261364, 3068994, 3392046, 3580493, 4603491, 6137988, 6784092, 7160986, 9206982, 10741479, 14321972, 18413964, 21482958, 32224437, 42965916, 64448874, 128897748]

約数ペア:

[(1, 128897748), (2, 64448874), (3, 42965916), (4, 32224437), (6, 21482958), (7, 18413964), (9, 14321972), (12, 10741479), (14, 9206982), (18, 7160986), (19, 6784092), (21, 6137988), (28, 4603491), (36, 3580493), (38, 3392046), (42, 3068994), (57, 2261364), (63, 2045996), (76, 1696023), (84, 1534497), (114, 1130682), (126, 1022998), (133, 969156), (171, 753788), (228, 565341), (252, 511499), (266, 484578), (342, 376894), (399, 323052), (532, 242289), (684, 188447), (798, 161526), (1197, 107684), (1596, 80763), (2394, 53842), (4788, 26921)]