991155984

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{226913}}^1$

素因数の和:226944

約数の個数: 80

約数和(自身を含む): 3151381632

約数和(自身を除く): 2160225648

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 78, 84, 91, 104, 112, 156, 168, 182, 208, 273, 312, 336, 364, 546, 624, 728, 1092, 1456, 2184, 4368, 226913, 453826, 680739, 907652, 1361478, 1588391, 1815304, 2722956, 2949869, 3176782, 3630608, 4765173, 5445912, 5899738, 6353564, 8849607, 9530346, 10891824, 11799476, 12707128, 17699214, 19060692, 20649083, 23598952, 25414256, 35398428, 38121384, 41298166, 47197904, 61947249, 70796856, 76242768, 82596332, 123894498, 141593712, 165192664, 247788996, 330385328, 495577992, 991155984]

約数ペア:

[(1, 991155984), (2, 495577992), (3, 330385328), (4, 247788996), (6, 165192664), (7, 141593712), (8, 123894498), (12, 82596332), (13, 76242768), (14, 70796856), (16, 61947249), (21, 47197904), (24, 41298166), (26, 38121384), (28, 35398428), (39, 25414256), (42, 23598952), (48, 20649083), (52, 19060692), (56, 17699214), (78, 12707128), (84, 11799476), (91, 10891824), (104, 9530346), (112, 8849607), (156, 6353564), (168, 5899738), (182, 5445912), (208, 4765173), (273, 3630608), (312, 3176782), (336, 2949869), (364, 2722956), (546, 1815304), (624, 1588391), (728, 1361478), (1092, 907652), (1456, 680739), (2184, 453826), (4368, 226913)]