209121014

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{42487}}^1$

素因数の和:42619

約数の個数: 16

約数和(自身を含む): 330386688

約数和(自身を除く): 121265674

約数列:

[1, 2, 23, 46, 107, 214, 2461, 4922, 42487, 84974, 977201, 1954402, 4546109, 9092218, 104560507, 209121014]

約数ペア:

[(1, 209121014), (2, 104560507), (23, 9092218), (46, 4546109), (107, 1954402), (214, 977201), (2461, 84974), (4922, 42487)]