64921808

素因数分解:

$2^4\times 7^1\times {\mathrm{449}}^1\times {\mathrm{1291}}^1$

素因数の和:1755

約数の個数: 40

約数和(自身を含む): 144187200

約数和(自身を除く): 79265392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 449, 898, 1291, 1796, 2582, 3143, 3592, 5164, 6286, 7184, 9037, 10328, 12572, 18074, 20656, 25144, 36148, 50288, 72296, 144592, 579659, 1159318, 2318636, 4057613, 4637272, 8115226, 9274544, 16230452, 32460904, 64921808]

約数ペア:

[(1, 64921808), (2, 32460904), (4, 16230452), (7, 9274544), (8, 8115226), (14, 4637272), (16, 4057613), (28, 2318636), (56, 1159318), (112, 579659), (449, 144592), (898, 72296), (1291, 50288), (1796, 36148), (2582, 25144), (3143, 20656), (3592, 18074), (5164, 12572), (6286, 10328), (7184, 9037)]