639242814

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{15220067}}^1$

素因数の和:15220079

約数の個数: 16

約数和(自身を含む): 1461126528

約数和(自身を除く): 821883714

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 15220067, 30440134, 45660201, 91320402, 106540469, 213080938, 319621407, 639242814]

約数ペア:

[(1, 639242814), (2, 319621407), (3, 213080938), (6, 106540469), (7, 91320402), (14, 45660201), (21, 30440134), (42, 15220067)]