81679416

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:429

約数の個数: 128

約数和(自身を含む): 254016000

約数和(自身を除く): 172336584

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 149, 156, 168, 182, 251, 273, 298, 312, 364, 447, 502, 546, 596, 728, 753, 894, 1004, 1043, 1092, 1192, 1506, 1757, 1788, 1937, 2008, 2086, 2184, 3012, 3129, 3263, 3514, 3576, 3874, 4172, 5271, 5811, 6024, 6258, 6526, 7028, 7748, 8344, 9789, 10542, 11622, 12516, 13052, 13559, 14056, 15496, 19578, 21084, 22841, 23244, 25032, 26104, 27118, 37399, 39156, 40677, 42168, 45682, 46488, 54236, 68523, 74798, 78312, 81354, 91364, 108472, 112197, 137046, 149596, 162708, 182728, 224394, 261793, 274092, 299192, 325416, 448788, 486187, 523586, 548184, 785379, 897576, 972374, 1047172, 1458561, 1570758, 1944748, 2094344, 2917122, 3141516, 3403309, 3889496, 5834244, 6283032, 6806618, 10209927, 11668488, 13613236, 20419854, 27226472, 40839708, 81679416]

約数ペア:

[(1, 81679416), (2, 40839708), (3, 27226472), (4, 20419854), (6, 13613236), (7, 11668488), (8, 10209927), (12, 6806618), (13, 6283032), (14, 5834244), (21, 3889496), (24, 3403309), (26, 3141516), (28, 2917122), (39, 2094344), (42, 1944748), (52, 1570758), (56, 1458561), (78, 1047172), (84, 972374), (91, 897576), (104, 785379), (149, 548184), (156, 523586), (168, 486187), (182, 448788), (251, 325416), (273, 299192), (298, 274092), (312, 261793), (364, 224394), (447, 182728), (502, 162708), (546, 149596), (596, 137046), (728, 112197), (753, 108472), (894, 91364), (1004, 81354), (1043, 78312), (1092, 74798), (1192, 68523), (1506, 54236), (1757, 46488), (1788, 45682), (1937, 42168), (2008, 40677), (2086, 39156), (2184, 37399), (3012, 27118), (3129, 26104), (3263, 25032), (3514, 23244), (3576, 22841), (3874, 21084), (4172, 19578), (5271, 15496), (5811, 14056), (6024, 13559), (6258, 13052), (6526, 12516), (7028, 11622), (7748, 10542), (8344, 9789)]