66843406

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{251291}}^1$

素因数の和:251319

約数の個数: 16

約数和(自身を含む): 120620160

約数和(自身を除く): 53776754

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 251291, 502582, 1759037, 3518074, 4774529, 9549058, 33421703, 66843406]

約数ペア:

[(1, 66843406), (2, 33421703), (7, 9549058), (14, 4774529), (19, 3518074), (38, 1759037), (133, 502582), (266, 251291)]