221085242

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{509413}}^1$

素因数の和:509453

約数の個数: 16

約数和(自身を含む): 391229952

約数和(自身を除く): 170144710

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 509413, 1018826, 3565891, 7131782, 15791803, 31583606, 110542621, 221085242]

約数ペア:

[(1, 221085242), (2, 110542621), (7, 31583606), (14, 15791803), (31, 7131782), (62, 3565891), (217, 1018826), (434, 509413)]