644886891

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:317

約数の個数: 96

約数和(自身を含む): 1134544320

約数和(自身を除く): 489657429

約数列:

[1, 3, 9, 11, 17, 29, 33, 51, 73, 87, 99, 153, 181, 187, 219, 261, 319, 493, 543, 561, 657, 803, 957, 1241, 1479, 1629, 1683, 1991, 2117, 2409, 2871, 3077, 3723, 4437, 5249, 5423, 5973, 6351, 7227, 9231, 11169, 13213, 13651, 15747, 16269, 17919, 19053, 23287, 27693, 33847, 35989, 39639, 40953, 47241, 48807, 57739, 69861, 89233, 101541, 107967, 118917, 122859, 145343, 173217, 209583, 224621, 267699, 304623, 323901, 383177, 395879, 436029, 519651, 673863, 803097, 981563, 1149531, 1187637, 1308087, 2021589, 2470831, 2944689, 3448593, 3562911, 4214947, 6514009, 7412493, 8834067, 12644841, 19542027, 22237479, 37934523, 58626081, 71654099, 214962297, 644886891]

約数ペア:

[(1, 644886891), (3, 214962297), (9, 71654099), (11, 58626081), (17, 37934523), (29, 22237479), (33, 19542027), (51, 12644841), (73, 8834067), (87, 7412493), (99, 6514009), (153, 4214947), (181, 3562911), (187, 3448593), (219, 2944689), (261, 2470831), (319, 2021589), (493, 1308087), (543, 1187637), (561, 1149531), (657, 981563), (803, 803097), (957, 673863), (1241, 519651), (1479, 436029), (1629, 395879), (1683, 383177), (1991, 323901), (2117, 304623), (2409, 267699), (2871, 224621), (3077, 209583), (3723, 173217), (4437, 145343), (5249, 122859), (5423, 118917), (5973, 107967), (6351, 101541), (7227, 89233), (9231, 69861), (11169, 57739), (13213, 48807), (13651, 47241), (15747, 40953), (16269, 39639), (17919, 35989), (19053, 33847), (23287, 27693)]