81671772

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2579}}^1$

素因数の和:2635

約数の個数: 96

約数和(自身を含む): 242726400

約数和(自身を除く): 161054628

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 29, 39, 42, 52, 58, 78, 84, 87, 91, 116, 156, 174, 182, 203, 273, 348, 364, 377, 406, 546, 609, 754, 812, 1092, 1131, 1218, 1508, 2262, 2436, 2579, 2639, 4524, 5158, 5278, 7737, 7917, 10316, 10556, 15474, 15834, 18053, 30948, 31668, 33527, 36106, 54159, 67054, 72212, 74791, 100581, 108318, 134108, 149582, 201162, 216636, 224373, 234689, 299164, 402324, 448746, 469378, 523537, 704067, 897492, 938756, 972283, 1047074, 1408134, 1570611, 1944566, 2094148, 2816268, 2916849, 3141222, 3889132, 5833698, 6282444, 6805981, 11667396, 13611962, 20417943, 27223924, 40835886, 81671772]

約数ペア:

[(1, 81671772), (2, 40835886), (3, 27223924), (4, 20417943), (6, 13611962), (7, 11667396), (12, 6805981), (13, 6282444), (14, 5833698), (21, 3889132), (26, 3141222), (28, 2916849), (29, 2816268), (39, 2094148), (42, 1944566), (52, 1570611), (58, 1408134), (78, 1047074), (84, 972283), (87, 938756), (91, 897492), (116, 704067), (156, 523537), (174, 469378), (182, 448746), (203, 402324), (273, 299164), (348, 234689), (364, 224373), (377, 216636), (406, 201162), (546, 149582), (609, 134108), (754, 108318), (812, 100581), (1092, 74791), (1131, 72212), (1218, 67054), (1508, 54159), (2262, 36106), (2436, 33527), (2579, 31668), (2639, 30948), (4524, 18053), (5158, 15834), (5278, 15474), (7737, 10556), (7917, 10316)]