161721502

素因数分解:

$2^1\times {\mathrm{19}}^3\times {\mathrm{11789}}^1$

素因数の和:11848

約数の個数: 16

約数和(自身を含む): 256078800

約数和(自身を除く): 94357298

約数列:

[1, 2, 19, 38, 361, 722, 6859, 11789, 13718, 23578, 223991, 447982, 4255829, 8511658, 80860751, 161721502]

約数ペア:

[(1, 161721502), (2, 80860751), (19, 8511658), (38, 4255829), (361, 447982), (722, 223991), (6859, 23578), (11789, 13718)]