201981818

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{79333}}^1$

素因数の和:79421

約数の個数: 16

約数和(自身を含む): 323682720

約数和(自身を除く): 121700902

約数列:

[1, 2, 19, 38, 67, 134, 1273, 2546, 79333, 158666, 1507327, 3014654, 5315311, 10630622, 100990909, 201981818]

約数ペア:

[(1, 201981818), (2, 100990909), (19, 10630622), (38, 5315311), (67, 3014654), (134, 1507327), (1273, 158666), (2546, 79333)]