72977776

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{283}}^1$

素因数の和:589

約数の個数: 40

約数和(自身を含む): 144526464

約数和(自身を除く): 71548688

約数列:

[1, 2, 4, 8, 16, 71, 142, 227, 283, 284, 454, 566, 568, 908, 1132, 1136, 1816, 2264, 3632, 4528, 16117, 20093, 32234, 40186, 64241, 64468, 80372, 128482, 128936, 160744, 256964, 257872, 321488, 513928, 1027856, 4561111, 9122222, 18244444, 36488888, 72977776]

約数ペア:

[(1, 72977776), (2, 36488888), (4, 18244444), (8, 9122222), (16, 4561111), (71, 1027856), (142, 513928), (227, 321488), (283, 257872), (284, 256964), (454, 160744), (566, 128936), (568, 128482), (908, 80372), (1132, 64468), (1136, 64241), (1816, 40186), (2264, 32234), (3632, 20093), (4528, 16117)]