643892482

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{107927}}^1$

素因数の和:108105

約数の個数: 16

約数和(自身を含む): 1023157440

約数和(自身を除く): 379264958

約数列:

[1, 2, 19, 38, 157, 314, 2983, 5966, 107927, 215854, 2050613, 4101226, 16944539, 33889078, 321946241, 643892482]

約数ペア:

[(1, 643892482), (2, 321946241), (19, 33889078), (38, 16944539), (157, 4101226), (314, 2050613), (2983, 215854), (5966, 107927)]