28209456

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^2\times {\mathrm{1619}}^1$

素因数の和:1655

約数の個数: 90

約数和(自身を含む): 86830380

約数和(自身を除く): 58620924

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 121, 132, 144, 176, 198, 242, 264, 363, 396, 484, 528, 726, 792, 968, 1089, 1452, 1584, 1619, 1936, 2178, 2904, 3238, 4356, 4857, 5808, 6476, 8712, 9714, 12952, 14571, 17424, 17809, 19428, 25904, 29142, 35618, 38856, 53427, 58284, 71236, 77712, 106854, 116568, 142472, 160281, 195899, 213708, 233136, 284944, 320562, 391798, 427416, 587697, 641124, 783596, 854832, 1175394, 1282248, 1567192, 1763091, 2350788, 2564496, 3134384, 3526182, 4701576, 7052364, 9403152, 14104728, 28209456]

約数ペア:

[(1, 28209456), (2, 14104728), (3, 9403152), (4, 7052364), (6, 4701576), (8, 3526182), (9, 3134384), (11, 2564496), (12, 2350788), (16, 1763091), (18, 1567192), (22, 1282248), (24, 1175394), (33, 854832), (36, 783596), (44, 641124), (48, 587697), (66, 427416), (72, 391798), (88, 320562), (99, 284944), (121, 233136), (132, 213708), (144, 195899), (176, 160281), (198, 142472), (242, 116568), (264, 106854), (363, 77712), (396, 71236), (484, 58284), (528, 53427), (726, 38856), (792, 35618), (968, 29142), (1089, 25904), (1452, 19428), (1584, 17809), (1619, 17424), (1936, 14571), (2178, 12952), (2904, 9714), (3238, 8712), (4356, 6476), (4857, 5808)]