8939881976

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{373}}^1$

素因数の和:653

約数の個数: 96

約数和(自身を含む): 18244931760

約数和(自身を除く): 9305049784

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 152, 172, 193, 344, 361, 373, 386, 722, 746, 772, 817, 1444, 1492, 1544, 1634, 2888, 2984, 3268, 3667, 6536, 7087, 7334, 8299, 14174, 14668, 15523, 16039, 16598, 28348, 29336, 31046, 32078, 33196, 56696, 62092, 64156, 66392, 69673, 71989, 124184, 128312, 134653, 139346, 143978, 157681, 269306, 278692, 287956, 304741, 315362, 538612, 557384, 575912, 609482, 630724, 1077224, 1218964, 1261448, 1367791, 2437928, 2735582, 2995939, 3095527, 5471164, 5790079, 5991878, 6191054, 10942328, 11580158, 11983756, 12382108, 23160316, 23967512, 24764216, 25988029, 46320632, 51976058, 58815013, 103952116, 117630026, 207904232, 235260052, 470520104, 1117485247, 2234970494, 4469940988, 8939881976]

約数ペア:

[(1, 8939881976), (2, 4469940988), (4, 2234970494), (8, 1117485247), (19, 470520104), (38, 235260052), (43, 207904232), (76, 117630026), (86, 103952116), (152, 58815013), (172, 51976058), (193, 46320632), (344, 25988029), (361, 24764216), (373, 23967512), (386, 23160316), (722, 12382108), (746, 11983756), (772, 11580158), (817, 10942328), (1444, 6191054), (1492, 5991878), (1544, 5790079), (1634, 5471164), (2888, 3095527), (2984, 2995939), (3268, 2735582), (3667, 2437928), (6536, 1367791), (7087, 1261448), (7334, 1218964), (8299, 1077224), (14174, 630724), (14668, 609482), (15523, 575912), (16039, 557384), (16598, 538612), (28348, 315362), (29336, 304741), (31046, 287956), (32078, 278692), (33196, 269306), (56696, 157681), (62092, 143978), (64156, 139346), (66392, 134653), (69673, 128312), (71989, 124184)]