78542864

素因数分解:

$2^4\times {\mathrm{241}}^1\times {\mathrm{20369}}^1$

素因数の和:20618

約数の個数: 20

約数和(自身を含む): 152815740

約数和(自身を除く): 74272876

約数列:

[1, 2, 4, 8, 16, 241, 482, 964, 1928, 3856, 20369, 40738, 81476, 162952, 325904, 4908929, 9817858, 19635716, 39271432, 78542864]

約数ペア:

[(1, 78542864), (2, 39271432), (4, 19635716), (8, 9817858), (16, 4908929), (241, 325904), (482, 162952), (964, 81476), (1928, 40738), (3856, 20369)]