81219194

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{187141}}^1$

素因数の和:187181

約数の個数: 16

約数和(自身を含む): 143725056

約数和(自身を除く): 62505862

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 187141, 374282, 1309987, 2619974, 5801371, 11602742, 40609597, 81219194]

約数ペア:

[(1, 81219194), (2, 40609597), (7, 11602742), (14, 5801371), (31, 2619974), (62, 1309987), (217, 374282), (434, 187141)]