28175004

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{421}}^1$

素因数の和:468

約数の個数: 108

約数和(自身を含む): 84330792

約数和(自身を除く): 56155788

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 169, 198, 234, 286, 338, 396, 421, 429, 468, 507, 572, 676, 842, 858, 1014, 1263, 1287, 1521, 1684, 1716, 1859, 2028, 2526, 2574, 3042, 3718, 3789, 4631, 5052, 5148, 5473, 5577, 6084, 7436, 7578, 9262, 10946, 11154, 13893, 15156, 16419, 16731, 18524, 21892, 22308, 27786, 32838, 33462, 41679, 49257, 55572, 60203, 65676, 66924, 71149, 83358, 98514, 120406, 142298, 166716, 180609, 197028, 213447, 240812, 284596, 361218, 426894, 541827, 640341, 722436, 782639, 853788, 1083654, 1280682, 1565278, 2167308, 2347917, 2561364, 3130556, 4695834, 7043751, 9391668, 14087502, 28175004]

約数ペア:

[(1, 28175004), (2, 14087502), (3, 9391668), (4, 7043751), (6, 4695834), (9, 3130556), (11, 2561364), (12, 2347917), (13, 2167308), (18, 1565278), (22, 1280682), (26, 1083654), (33, 853788), (36, 782639), (39, 722436), (44, 640341), (52, 541827), (66, 426894), (78, 361218), (99, 284596), (117, 240812), (132, 213447), (143, 197028), (156, 180609), (169, 166716), (198, 142298), (234, 120406), (286, 98514), (338, 83358), (396, 71149), (421, 66924), (429, 65676), (468, 60203), (507, 55572), (572, 49257), (676, 41679), (842, 33462), (858, 32838), (1014, 27786), (1263, 22308), (1287, 21892), (1521, 18524), (1684, 16731), (1716, 16419), (1859, 15156), (2028, 13893), (2526, 11154), (2574, 10946), (3042, 9262), (3718, 7578), (3789, 7436), (4631, 6084), (5052, 5577), (5148, 5473)]