199155919

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{2549}}^1$

素因数の和:2694

約数の個数: 16

約数和(自身を含む): 215424000

約数和(自身を除く): 16268081

約数列:

[1, 23, 43, 79, 989, 1817, 2549, 3397, 58627, 78131, 109607, 201371, 2520961, 4631533, 8658953, 199155919]

約数ペア:

[(1, 199155919), (23, 8658953), (43, 4631533), (79, 2520961), (989, 201371), (1817, 109607), (2549, 78131), (3397, 58627)]