28142478

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:140

約数の個数: 160

約数和(自身を含む): 81962496

約数和(自身を除く): 53820018

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 23, 26, 27, 39, 42, 46, 54, 63, 69, 78, 81, 83, 91, 117, 126, 138, 161, 162, 166, 182, 189, 207, 234, 249, 273, 299, 322, 351, 378, 414, 483, 498, 546, 567, 581, 598, 621, 702, 747, 819, 897, 966, 1053, 1079, 1134, 1162, 1242, 1449, 1494, 1638, 1743, 1794, 1863, 1909, 2093, 2106, 2158, 2241, 2457, 2691, 2898, 3237, 3486, 3726, 3818, 4186, 4347, 4482, 4914, 5229, 5382, 5727, 6279, 6474, 6723, 7371, 7553, 8073, 8694, 9711, 10458, 11454, 12558, 13041, 13363, 13446, 14742, 15106, 15687, 16146, 17181, 18837, 19422, 22659, 24219, 24817, 26082, 26726, 29133, 31374, 34362, 37674, 40089, 45318, 47061, 48438, 49634, 51543, 56511, 58266, 67977, 74451, 80178, 87399, 94122, 103086, 113022, 120267, 135954, 148902, 154629, 169533, 173719, 174798, 203931, 223353, 240534, 309258, 339066, 347438, 360801, 407862, 446706, 521157, 611793, 670059, 721602, 1042314, 1082403, 1223586, 1340118, 1563471, 2010177, 2164806, 3126942, 4020354, 4690413, 9380826, 14071239, 28142478]

約数ペア:

[(1, 28142478), (2, 14071239), (3, 9380826), (6, 4690413), (7, 4020354), (9, 3126942), (13, 2164806), (14, 2010177), (18, 1563471), (21, 1340118), (23, 1223586), (26, 1082403), (27, 1042314), (39, 721602), (42, 670059), (46, 611793), (54, 521157), (63, 446706), (69, 407862), (78, 360801), (81, 347438), (83, 339066), (91, 309258), (117, 240534), (126, 223353), (138, 203931), (161, 174798), (162, 173719), (166, 169533), (182, 154629), (189, 148902), (207, 135954), (234, 120267), (249, 113022), (273, 103086), (299, 94122), (322, 87399), (351, 80178), (378, 74451), (414, 67977), (483, 58266), (498, 56511), (546, 51543), (567, 49634), (581, 48438), (598, 47061), (621, 45318), (702, 40089), (747, 37674), (819, 34362), (897, 31374), (966, 29133), (1053, 26726), (1079, 26082), (1134, 24817), (1162, 24219), (1242, 22659), (1449, 19422), (1494, 18837), (1638, 17181), (1743, 16146), (1794, 15687), (1863, 15106), (1909, 14742), (2093, 13446), (2106, 13363), (2158, 13041), (2241, 12558), (2457, 11454), (2691, 10458), (2898, 9711), (3237, 8694), (3486, 8073), (3726, 7553), (3818, 7371), (4186, 6723), (4347, 6474), (4482, 6279), (4914, 5727), (5229, 5382)]