289201616

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{149381}}^1$

素因数の和:149411

約数の個数: 30

約数和(自身を含む): 615901986

約数和(自身を除く): 326700370

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 149381, 298762, 597524, 1195048, 1643191, 2390096, 3286382, 6572764, 13145528, 18075101, 26291056, 36150202, 72300404, 144600808, 289201616]

約数ペア:

[(1, 289201616), (2, 144600808), (4, 72300404), (8, 36150202), (11, 26291056), (16, 18075101), (22, 13145528), (44, 6572764), (88, 3286382), (121, 2390096), (176, 1643191), (242, 1195048), (484, 597524), (968, 298762), (1936, 149381)]