28151256

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:185

約数の個数: 128

約数和(自身を含む): 84994560

約数和(自身を除く): 56843304

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 41, 42, 56, 61, 67, 82, 84, 122, 123, 134, 164, 168, 183, 201, 244, 246, 268, 287, 328, 366, 402, 427, 469, 488, 492, 536, 574, 732, 804, 854, 861, 938, 984, 1148, 1281, 1407, 1464, 1608, 1708, 1722, 1876, 2296, 2501, 2562, 2747, 2814, 3416, 3444, 3752, 4087, 5002, 5124, 5494, 5628, 6888, 7503, 8174, 8241, 10004, 10248, 10988, 11256, 12261, 15006, 16348, 16482, 17507, 19229, 20008, 21976, 24522, 28609, 30012, 32696, 32964, 35014, 38458, 49044, 52521, 57218, 57687, 60024, 65928, 70028, 76916, 85827, 98088, 105042, 114436, 115374, 140056, 153832, 167567, 171654, 210084, 228872, 230748, 335134, 343308, 420168, 461496, 502701, 670268, 686616, 1005402, 1172969, 1340536, 2010804, 2345938, 3518907, 4021608, 4691876, 7037814, 9383752, 14075628, 28151256]

約数ペア:

[(1, 28151256), (2, 14075628), (3, 9383752), (4, 7037814), (6, 4691876), (7, 4021608), (8, 3518907), (12, 2345938), (14, 2010804), (21, 1340536), (24, 1172969), (28, 1005402), (41, 686616), (42, 670268), (56, 502701), (61, 461496), (67, 420168), (82, 343308), (84, 335134), (122, 230748), (123, 228872), (134, 210084), (164, 171654), (168, 167567), (183, 153832), (201, 140056), (244, 115374), (246, 114436), (268, 105042), (287, 98088), (328, 85827), (366, 76916), (402, 70028), (427, 65928), (469, 60024), (488, 57687), (492, 57218), (536, 52521), (574, 49044), (732, 38458), (804, 35014), (854, 32964), (861, 32696), (938, 30012), (984, 28609), (1148, 24522), (1281, 21976), (1407, 20008), (1464, 19229), (1608, 17507), (1708, 16482), (1722, 16348), (1876, 15006), (2296, 12261), (2501, 11256), (2562, 10988), (2747, 10248), (2814, 10004), (3416, 8241), (3444, 8174), (3752, 7503), (4087, 6888), (5002, 5628), (5124, 5494)]