215440976

素因数分解:

$2^4\times {\mathrm{449}}^1\times {\mathrm{29989}}^1$

素因数の和:30446

約数の個数: 20

約数和(自身を含む): 418360500

約数和(自身を除く): 202919524

約数列:

[1, 2, 4, 8, 16, 449, 898, 1796, 3592, 7184, 29989, 59978, 119956, 239912, 479824, 13465061, 26930122, 53860244, 107720488, 215440976]

約数ペア:

[(1, 215440976), (2, 107720488), (4, 53860244), (8, 26930122), (16, 13465061), (449, 479824), (898, 239912), (1796, 119956), (3592, 59978), (7184, 29989)]