221036368

素因数分解:

$2^4\times 7^1\times {\mathrm{1973539}}^1$

素因数の和:1973554

約数の個数: 20

約数和(自身を含む): 489437920

約数和(自身を除く): 268401552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1973539, 3947078, 7894156, 13814773, 15788312, 27629546, 31576624, 55259092, 110518184, 221036368]

約数ペア:

[(1, 221036368), (2, 110518184), (4, 55259092), (7, 31576624), (8, 27629546), (14, 15788312), (16, 13814773), (28, 7894156), (56, 3947078), (112, 1973539)]