212958970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{15443}}^1$

素因数の和:15654

約数の個数: 32

約数和(自身を含む): 440339328

約数和(自身を除く): 227380358

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 197, 394, 985, 1379, 1970, 2758, 6895, 13790, 15443, 30886, 77215, 108101, 154430, 216202, 540505, 1081010, 3042271, 6084542, 15211355, 21295897, 30422710, 42591794, 106479485, 212958970]

約数ペア:

[(1, 212958970), (2, 106479485), (5, 42591794), (7, 30422710), (10, 21295897), (14, 15211355), (35, 6084542), (70, 3042271), (197, 1081010), (394, 540505), (985, 216202), (1379, 154430), (1970, 108101), (2758, 77215), (6895, 30886), (13790, 15443)]