265560568

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:381

約数の個数: 128

約数和(自身を含む): 656409600

約数和(自身を除く): 390849032

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 73, 76, 91, 104, 133, 146, 152, 182, 247, 263, 266, 292, 364, 494, 511, 526, 532, 584, 728, 949, 988, 1022, 1052, 1064, 1387, 1729, 1841, 1898, 1976, 2044, 2104, 2774, 3419, 3458, 3682, 3796, 4088, 4997, 5548, 6643, 6838, 6916, 7364, 7592, 9709, 9994, 11096, 13286, 13676, 13832, 14728, 18031, 19199, 19418, 19988, 23933, 26572, 27352, 34979, 36062, 38398, 38836, 39976, 47866, 53144, 64961, 69958, 72124, 76796, 77672, 95732, 126217, 129922, 134393, 139916, 144248, 153592, 191464, 249587, 252434, 259844, 268786, 279832, 364781, 454727, 499174, 504868, 519688, 537572, 729562, 909454, 998348, 1009736, 1075144, 1459124, 1747109, 1818908, 1996696, 2553467, 2918248, 3494218, 3637816, 4742153, 5106934, 6988436, 9484306, 10213868, 13976872, 18968612, 20427736, 33195071, 37937224, 66390142, 132780284, 265560568]

約数ペア:

[(1, 265560568), (2, 132780284), (4, 66390142), (7, 37937224), (8, 33195071), (13, 20427736), (14, 18968612), (19, 13976872), (26, 10213868), (28, 9484306), (38, 6988436), (52, 5106934), (56, 4742153), (73, 3637816), (76, 3494218), (91, 2918248), (104, 2553467), (133, 1996696), (146, 1818908), (152, 1747109), (182, 1459124), (247, 1075144), (263, 1009736), (266, 998348), (292, 909454), (364, 729562), (494, 537572), (511, 519688), (526, 504868), (532, 499174), (584, 454727), (728, 364781), (949, 279832), (988, 268786), (1022, 259844), (1052, 252434), (1064, 249587), (1387, 191464), (1729, 153592), (1841, 144248), (1898, 139916), (1976, 134393), (2044, 129922), (2104, 126217), (2774, 95732), (3419, 77672), (3458, 76796), (3682, 72124), (3796, 69958), (4088, 64961), (4997, 53144), (5548, 47866), (6643, 39976), (6838, 38836), (6916, 38398), (7364, 36062), (7592, 34979), (9709, 27352), (9994, 26572), (11096, 23933), (13286, 19988), (13676, 19418), (13832, 19199), (14728, 18031)]