198698311

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{9421}}^1$

素因数の和:9582

約数の個数: 16

約数和(自身を含む): 238791168

約数和(自身を除く): 40092857

約数列:

[1, 7, 23, 131, 161, 917, 3013, 9421, 21091, 65947, 216683, 1234151, 1516781, 8639057, 28385473, 198698311]

約数ペア:

[(1, 198698311), (7, 28385473), (23, 8639057), (131, 1516781), (161, 1234151), (917, 216683), (3013, 65947), (9421, 21091)]