256212684

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:624

約数の個数: 144

約数和(自身を含む): 803170368

約数和(自身を除く): 546957684

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 197, 234, 252, 273, 364, 394, 397, 468, 546, 591, 788, 794, 819, 1092, 1182, 1191, 1379, 1588, 1638, 1773, 2364, 2382, 2561, 2758, 2779, 3276, 3546, 3573, 4137, 4764, 5122, 5161, 5516, 5558, 7092, 7146, 7683, 8274, 8337, 10244, 10322, 11116, 12411, 14292, 15366, 15483, 16548, 16674, 17927, 20644, 23049, 24822, 25011, 30732, 30966, 33348, 35854, 36127, 46098, 46449, 49644, 50022, 53781, 61932, 71708, 72254, 78209, 92196, 92898, 100044, 107562, 108381, 144508, 156418, 161343, 185796, 215124, 216762, 234627, 312836, 322686, 325143, 433524, 469254, 547463, 645372, 650286, 703881, 938508, 1016717, 1094926, 1300572, 1407762, 1642389, 2033434, 2189852, 2815524, 3050151, 3284778, 4066868, 4927167, 6100302, 6569556, 7117019, 9150453, 9854334, 12200604, 14234038, 18300906, 19708668, 21351057, 28468076, 36601812, 42702114, 64053171, 85404228, 128106342, 256212684]

約数ペア:

[(1, 256212684), (2, 128106342), (3, 85404228), (4, 64053171), (6, 42702114), (7, 36601812), (9, 28468076), (12, 21351057), (13, 19708668), (14, 18300906), (18, 14234038), (21, 12200604), (26, 9854334), (28, 9150453), (36, 7117019), (39, 6569556), (42, 6100302), (52, 4927167), (63, 4066868), (78, 3284778), (84, 3050151), (91, 2815524), (117, 2189852), (126, 2033434), (156, 1642389), (182, 1407762), (197, 1300572), (234, 1094926), (252, 1016717), (273, 938508), (364, 703881), (394, 650286), (397, 645372), (468, 547463), (546, 469254), (591, 433524), (788, 325143), (794, 322686), (819, 312836), (1092, 234627), (1182, 216762), (1191, 215124), (1379, 185796), (1588, 161343), (1638, 156418), (1773, 144508), (2364, 108381), (2382, 107562), (2561, 100044), (2758, 92898), (2779, 92196), (3276, 78209), (3546, 72254), (3573, 71708), (4137, 61932), (4764, 53781), (5122, 50022), (5161, 49644), (5516, 46449), (5558, 46098), (7092, 36127), (7146, 35854), (7683, 33348), (8274, 30966), (8337, 30732), (10244, 25011), (10322, 24822), (11116, 23049), (12411, 20644), (14292, 17927), (15366, 16674), (15483, 16548)]