55687478

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:365

約数の個数: 64

約数和(自身を含む): 111974400

約数和(自身を除く): 56286922

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 89, 119, 154, 178, 187, 238, 239, 374, 478, 623, 979, 1246, 1309, 1513, 1673, 1958, 2618, 2629, 3026, 3346, 4063, 5258, 6853, 8126, 10591, 13706, 16643, 18403, 21182, 21271, 28441, 33286, 36806, 42542, 44693, 56882, 89386, 116501, 148897, 233002, 233981, 297794, 312851, 361607, 467962, 625702, 723214, 1637867, 2531249, 3275734, 3977677, 5062498, 7955354, 27843739, 55687478]

約数ペア:

[(1, 55687478), (2, 27843739), (7, 7955354), (11, 5062498), (14, 3977677), (17, 3275734), (22, 2531249), (34, 1637867), (77, 723214), (89, 625702), (119, 467962), (154, 361607), (178, 312851), (187, 297794), (238, 233981), (239, 233002), (374, 148897), (478, 116501), (623, 89386), (979, 56882), (1246, 44693), (1309, 42542), (1513, 36806), (1673, 33286), (1958, 28441), (2618, 21271), (2629, 21182), (3026, 18403), (3346, 16643), (4063, 13706), (5258, 10591), (6853, 8126)]