201921128

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{419}}^1\times {\mathrm{1021}}^1$

素因数の和:1505

約数の個数: 32

約数和(自身を含む): 386316000

約数和(自身を除く): 184394872

約数列:

[1, 2, 4, 8, 59, 118, 236, 419, 472, 838, 1021, 1676, 2042, 3352, 4084, 8168, 24721, 49442, 60239, 98884, 120478, 197768, 240956, 427799, 481912, 855598, 1711196, 3422392, 25240141, 50480282, 100960564, 201921128]

約数ペア:

[(1, 201921128), (2, 100960564), (4, 50480282), (8, 25240141), (59, 3422392), (118, 1711196), (236, 855598), (419, 481912), (472, 427799), (838, 240956), (1021, 197768), (1676, 120478), (2042, 98884), (3352, 60239), (4084, 49442), (8168, 24721)]