213977556

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:342

約数の個数: 144

約数和(自身を含む): 616901376

約数和(自身を除く): 402923820

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 69, 78, 92, 103, 117, 138, 156, 193, 206, 207, 234, 276, 299, 309, 386, 412, 414, 468, 579, 598, 618, 772, 828, 897, 927, 1158, 1196, 1236, 1339, 1737, 1794, 1854, 2316, 2369, 2509, 2678, 2691, 3474, 3588, 3708, 4017, 4439, 4738, 5018, 5356, 5382, 6948, 7107, 7527, 8034, 8878, 9476, 10036, 10764, 12051, 13317, 14214, 15054, 16068, 17756, 19879, 21321, 22581, 24102, 26634, 28428, 30108, 30797, 39758, 39951, 42642, 45162, 48204, 53268, 57707, 59637, 61594, 79516, 79902, 85284, 90324, 92391, 115414, 119274, 123188, 159804, 173121, 178911, 184782, 230828, 238548, 258427, 277173, 346242, 357822, 369564, 457217, 516854, 519363, 554346, 692484, 715644, 775281, 914434, 1033708, 1038726, 1108692, 1371651, 1550562, 1828868, 2077452, 2325843, 2743302, 3101124, 4114953, 4651686, 5486604, 5943821, 8229906, 9303372, 11887642, 16459812, 17831463, 23775284, 35662926, 53494389, 71325852, 106988778, 213977556]

約数ペア:

[(1, 213977556), (2, 106988778), (3, 71325852), (4, 53494389), (6, 35662926), (9, 23775284), (12, 17831463), (13, 16459812), (18, 11887642), (23, 9303372), (26, 8229906), (36, 5943821), (39, 5486604), (46, 4651686), (52, 4114953), (69, 3101124), (78, 2743302), (92, 2325843), (103, 2077452), (117, 1828868), (138, 1550562), (156, 1371651), (193, 1108692), (206, 1038726), (207, 1033708), (234, 914434), (276, 775281), (299, 715644), (309, 692484), (386, 554346), (412, 519363), (414, 516854), (468, 457217), (579, 369564), (598, 357822), (618, 346242), (772, 277173), (828, 258427), (897, 238548), (927, 230828), (1158, 184782), (1196, 178911), (1236, 173121), (1339, 159804), (1737, 123188), (1794, 119274), (1854, 115414), (2316, 92391), (2369, 90324), (2509, 85284), (2678, 79902), (2691, 79516), (3474, 61594), (3588, 59637), (3708, 57707), (4017, 53268), (4439, 48204), (4738, 45162), (5018, 42642), (5356, 39951), (5382, 39758), (6948, 30797), (7107, 30108), (7527, 28428), (8034, 26634), (8878, 24102), (9476, 22581), (10036, 21321), (10764, 19879), (12051, 17756), (13317, 16068), (14214, 15054)]