28986426

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:268

約数の個数: 96

約数和(自身を含む): 76317696

約数和(自身を除く): 47331270

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 41, 42, 62, 63, 82, 93, 123, 126, 181, 186, 217, 246, 279, 287, 362, 369, 434, 543, 558, 574, 651, 738, 861, 1086, 1267, 1271, 1302, 1629, 1722, 1953, 2534, 2542, 2583, 3258, 3801, 3813, 3906, 5166, 5611, 7421, 7602, 7626, 8897, 11222, 11403, 11439, 14842, 16833, 17794, 22263, 22806, 22878, 26691, 33666, 39277, 44526, 50499, 51947, 53382, 66789, 78554, 80073, 100998, 103894, 117831, 133578, 155841, 160146, 230051, 235662, 311682, 353493, 460102, 467523, 690153, 706986, 935046, 1380306, 1610357, 2070459, 3220714, 4140918, 4831071, 9662142, 14493213, 28986426]

約数ペア:

[(1, 28986426), (2, 14493213), (3, 9662142), (6, 4831071), (7, 4140918), (9, 3220714), (14, 2070459), (18, 1610357), (21, 1380306), (31, 935046), (41, 706986), (42, 690153), (62, 467523), (63, 460102), (82, 353493), (93, 311682), (123, 235662), (126, 230051), (181, 160146), (186, 155841), (217, 133578), (246, 117831), (279, 103894), (287, 100998), (362, 80073), (369, 78554), (434, 66789), (543, 53382), (558, 51947), (574, 50499), (651, 44526), (738, 39277), (861, 33666), (1086, 26691), (1267, 22878), (1271, 22806), (1302, 22263), (1629, 17794), (1722, 16833), (1953, 14842), (2534, 11439), (2542, 11403), (2583, 11222), (3258, 8897), (3801, 7626), (3813, 7602), (3906, 7421), (5166, 5611)]