669464866

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{344021}}^1$

素因数の和:344169

約数の個数: 16

約数和(自身を含む): 1155913920

約数和(自身を除く): 486449054

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 344021, 688042, 2408147, 4816294, 47818919, 95637838, 334732433, 669464866]

約数ペア:

[(1, 669464866), (2, 334732433), (7, 95637838), (14, 47818919), (139, 4816294), (278, 2408147), (973, 688042), (1946, 344021)]