197136289

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{761}}^1\times {\mathrm{1609}}^1$

素因数の和:2400

約数の個数: 16

約数和(自身を含む): 235549440

約数和(自身を除く): 38413151

約数列:

[1, 7, 23, 161, 761, 1609, 5327, 11263, 17503, 37007, 122521, 259049, 1224449, 8571143, 28162327, 197136289]

約数ペア:

[(1, 197136289), (7, 28162327), (23, 8571143), (161, 1224449), (761, 259049), (1609, 122521), (5327, 37007), (11263, 17503)]