661395238

素因数分解:

$2^1\times 7^3\times {\mathrm{964133}}^1$

素因数の和:964156

約数の個数: 16

約数和(自身を含む): 1156960800

約数和(自身を除く): 495565562

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 964133, 1928266, 6748931, 13497862, 47242517, 94485034, 330697619, 661395238]

約数ペア:

[(1, 661395238), (2, 330697619), (7, 94485034), (14, 47242517), (49, 13497862), (98, 6748931), (343, 1928266), (686, 964133)]