78640036

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{4339}}^1$

素因数の和:4563

約数の個数: 24

約数和(自身を含む): 144365760

約数和(自身を除く): 65725724

約数列:

[1, 2, 4, 23, 46, 92, 197, 394, 788, 4339, 4531, 8678, 9062, 17356, 18124, 99797, 199594, 399188, 854783, 1709566, 3419132, 19660009, 39320018, 78640036]

約数ペア:

[(1, 78640036), (2, 39320018), (4, 19660009), (23, 3419132), (46, 1709566), (92, 854783), (197, 399188), (394, 199594), (788, 99797), (4339, 18124), (4531, 17356), (8678, 9062)]