198971486

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{137983}}^1$

素因数の和:138095

約数の個数: 16

約数和(自身を含む): 344408064

約数和(自身を除く): 145436578

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 137983, 275966, 965881, 1931762, 14212249, 28424498, 99485743, 198971486]

約数ペア:

[(1, 198971486), (2, 99485743), (7, 28424498), (14, 14212249), (103, 1931762), (206, 965881), (721, 275966), (1442, 137983)]