66999814

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{251879}}^1$

素因数の和:251907

約数の個数: 16

約数和(自身を含む): 120902400

約数和(自身を除く): 53902586

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 251879, 503758, 1763153, 3526306, 4785701, 9571402, 33499907, 66999814]

約数ペア:

[(1, 66999814), (2, 33499907), (7, 9571402), (14, 4785701), (19, 3526306), (38, 1763153), (133, 503758), (266, 251879)]