990874801

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{105401}}^1$

素因数の和:105504

約数の個数: 16

約数和(自身を含む): 1214231040

約数和(自身を除く): 223356239

約数列:

[1, 7, 17, 79, 119, 553, 1343, 9401, 105401, 737807, 1791817, 8326679, 12542719, 58286753, 141553543, 990874801]

約数ペア:

[(1, 990874801), (7, 141553543), (17, 58286753), (79, 12542719), (119, 8326679), (553, 1791817), (1343, 737807), (9401, 105401)]