81904669

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{2423}}^1$

素因数の和:2880

約数の個数: 16

約数和(自身を含む): 102389760

約数和(自身を除く): 20485091

約数列:

[1, 7, 11, 77, 439, 2423, 3073, 4829, 16961, 26653, 33803, 186571, 1063697, 7445879, 11700667, 81904669]

約数ペア:

[(1, 81904669), (7, 11700667), (11, 7445879), (77, 1063697), (439, 186571), (2423, 33803), (3073, 26653), (4829, 16961)]