199907056

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{657589}}^1$

素因数の和:657616

約数の個数: 20

約数和(自身を含む): 407705800

約数和(自身を除く): 207798744

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 657589, 1315178, 2630356, 5260712, 10521424, 12494191, 24988382, 49976764, 99953528, 199907056]

約数ペア:

[(1, 199907056), (2, 99953528), (4, 49976764), (8, 24988382), (16, 12494191), (19, 10521424), (38, 5260712), (76, 2630356), (152, 1315178), (304, 657589)]