28557228

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{617}}^1$

素因数の和:679

約数の個数: 96

約数和(自身を含む): 83059200

約数和(自身を除く): 54501972

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 29, 38, 42, 57, 58, 76, 84, 87, 114, 116, 133, 174, 203, 228, 266, 348, 399, 406, 532, 551, 609, 617, 798, 812, 1102, 1218, 1234, 1596, 1653, 1851, 2204, 2436, 2468, 3306, 3702, 3857, 4319, 6612, 7404, 7714, 8638, 11571, 11723, 12957, 15428, 17276, 17893, 23142, 23446, 25914, 35169, 35786, 46284, 46892, 51828, 53679, 70338, 71572, 82061, 107358, 125251, 140676, 164122, 214716, 246183, 250502, 328244, 339967, 375753, 492366, 501004, 679934, 751506, 984732, 1019901, 1359868, 1503012, 2039802, 2379769, 4079604, 4759538, 7139307, 9519076, 14278614, 28557228]

約数ペア:

[(1, 28557228), (2, 14278614), (3, 9519076), (4, 7139307), (6, 4759538), (7, 4079604), (12, 2379769), (14, 2039802), (19, 1503012), (21, 1359868), (28, 1019901), (29, 984732), (38, 751506), (42, 679934), (57, 501004), (58, 492366), (76, 375753), (84, 339967), (87, 328244), (114, 250502), (116, 246183), (133, 214716), (174, 164122), (203, 140676), (228, 125251), (266, 107358), (348, 82061), (399, 71572), (406, 70338), (532, 53679), (551, 51828), (609, 46892), (617, 46284), (798, 35786), (812, 35169), (1102, 25914), (1218, 23446), (1234, 23142), (1596, 17893), (1653, 17276), (1851, 15428), (2204, 12957), (2436, 11723), (2468, 11571), (3306, 8638), (3702, 7714), (3857, 7404), (4319, 6612)]