64387442

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{199961}}^1$

素因数の和:199993

約数の個数: 16

約数和(自身を含む): 115178112

約数和(自身を除く): 50790670

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 199961, 399922, 1399727, 2799454, 4599103, 9198206, 32193721, 64387442]

約数ペア:

[(1, 64387442), (2, 32193721), (7, 9198206), (14, 4599103), (23, 2799454), (46, 1399727), (161, 399922), (322, 199961)]