405843984

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{30971}}^1$

素因数の和:31005

約数の個数: 120

約数和(自身を含む): 1397952192

約数和(自身を除く): 992108208

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 36, 39, 42, 48, 52, 56, 63, 72, 78, 84, 91, 104, 112, 117, 126, 144, 156, 168, 182, 208, 234, 252, 273, 312, 336, 364, 468, 504, 546, 624, 728, 819, 936, 1008, 1092, 1456, 1638, 1872, 2184, 3276, 4368, 6552, 13104, 30971, 61942, 92913, 123884, 185826, 216797, 247768, 278739, 371652, 402623, 433594, 495536, 557478, 650391, 743304, 805246, 867188, 1114956, 1207869, 1300782, 1486608, 1610492, 1734376, 1951173, 2229912, 2415738, 2601564, 2818361, 3220984, 3468752, 3623607, 3902346, 4459824, 4831476, 5203128, 5636722, 6441968, 7247214, 7804692, 8455083, 9662952, 10406256, 11273444, 14494428, 15609384, 16910166, 19325904, 22546888, 25365249, 28988856, 31218768, 33820332, 45093776, 50730498, 57977712, 67640664, 101460996, 135281328, 202921992, 405843984]

約数ペア:

[(1, 405843984), (2, 202921992), (3, 135281328), (4, 101460996), (6, 67640664), (7, 57977712), (8, 50730498), (9, 45093776), (12, 33820332), (13, 31218768), (14, 28988856), (16, 25365249), (18, 22546888), (21, 19325904), (24, 16910166), (26, 15609384), (28, 14494428), (36, 11273444), (39, 10406256), (42, 9662952), (48, 8455083), (52, 7804692), (56, 7247214), (63, 6441968), (72, 5636722), (78, 5203128), (84, 4831476), (91, 4459824), (104, 3902346), (112, 3623607), (117, 3468752), (126, 3220984), (144, 2818361), (156, 2601564), (168, 2415738), (182, 2229912), (208, 1951173), (234, 1734376), (252, 1610492), (273, 1486608), (312, 1300782), (336, 1207869), (364, 1114956), (468, 867188), (504, 805246), (546, 743304), (624, 650391), (728, 557478), (819, 495536), (936, 433594), (1008, 402623), (1092, 371652), (1456, 278739), (1638, 247768), (1872, 216797), (2184, 185826), (3276, 123884), (4368, 92913), (6552, 61942), (13104, 30971)]