138646666

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1\times {\mathrm{3923}}^1$

素因数の和:4397

約数の個数: 16

約数和(自身を含む): 213591168

約数和(自身を除く): 74944502

約数列:

[1, 2, 41, 82, 431, 862, 3923, 7846, 17671, 35342, 160843, 321686, 1690813, 3381626, 69323333, 138646666]

約数ペア:

[(1, 138646666), (2, 69323333), (41, 3381626), (82, 1690813), (431, 321686), (862, 160843), (3923, 35342), (7846, 17671)]