28981498

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:104

約数の個数: 96

約数和(自身を含む): 61891200

約数和(自身を除く): 32909702

約数列:

[1, 2, 7, 13, 14, 17, 19, 26, 29, 34, 38, 58, 91, 119, 133, 182, 203, 221, 238, 247, 266, 289, 323, 377, 406, 442, 493, 494, 551, 578, 646, 754, 986, 1102, 1547, 1729, 2023, 2261, 2639, 3094, 3451, 3458, 3757, 3857, 4046, 4199, 4522, 5278, 5491, 6409, 6902, 7163, 7514, 7714, 8381, 8398, 9367, 10982, 12818, 14326, 16762, 18734, 26299, 29393, 38437, 44863, 50141, 52598, 58667, 58786, 65569, 71383, 76874, 89726, 100282, 108953, 117334, 121771, 131138, 142766, 159239, 217906, 243542, 318478, 499681, 762671, 852397, 999362, 1114673, 1525342, 1704794, 2070107, 2229346, 4140214, 14490749, 28981498]

約数ペア:

[(1, 28981498), (2, 14490749), (7, 4140214), (13, 2229346), (14, 2070107), (17, 1704794), (19, 1525342), (26, 1114673), (29, 999362), (34, 852397), (38, 762671), (58, 499681), (91, 318478), (119, 243542), (133, 217906), (182, 159239), (203, 142766), (221, 131138), (238, 121771), (247, 117334), (266, 108953), (289, 100282), (323, 89726), (377, 76874), (406, 71383), (442, 65569), (493, 58786), (494, 58667), (551, 52598), (578, 50141), (646, 44863), (754, 38437), (986, 29393), (1102, 26299), (1547, 18734), (1729, 16762), (2023, 14326), (2261, 12818), (2639, 10982), (3094, 9367), (3451, 8398), (3458, 8381), (3757, 7714), (3857, 7514), (4046, 7163), (4199, 6902), (4522, 6409), (5278, 5491)]