1988028

素因数分解:

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

素因数の和:61

約数の個数: 90

約数和(自身を含む): 6117384

約数和(自身を除く): 4129356

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 49, 63, 69, 84, 92, 98, 126, 138, 147, 161, 196, 207, 252, 276, 294, 322, 343, 414, 441, 483, 588, 644, 686, 828, 882, 966, 1029, 1127, 1372, 1449, 1764, 1932, 2058, 2254, 2401, 2898, 3087, 3381, 4116, 4508, 4802, 5796, 6174, 6762, 7203, 7889, 9604, 10143, 12348, 13524, 14406, 15778, 20286, 21609, 23667, 28812, 31556, 40572, 43218, 47334, 55223, 71001, 86436, 94668, 110446, 142002, 165669, 220892, 284004, 331338, 497007, 662676, 994014, 1988028]

約数ペア:

[(1, 1988028), (2, 994014), (3, 662676), (4, 497007), (6, 331338), (7, 284004), (9, 220892), (12, 165669), (14, 142002), (18, 110446), (21, 94668), (23, 86436), (28, 71001), (36, 55223), (42, 47334), (46, 43218), (49, 40572), (63, 31556), (69, 28812), (84, 23667), (92, 21609), (98, 20286), (126, 15778), (138, 14406), (147, 13524), (161, 12348), (196, 10143), (207, 9604), (252, 7889), (276, 7203), (294, 6762), (322, 6174), (343, 5796), (414, 4802), (441, 4508), (483, 4116), (588, 3381), (644, 3087), (686, 2898), (828, 2401), (882, 2254), (966, 2058), (1029, 1932), (1127, 1764), (1372, 1449)]