81297769

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{4421}}^1$

素因数の和:4536

約数の個数: 16

約数和(自身を含む): 96788736

約数和(自身を除く): 15490967

約数列:

[1, 7, 37, 71, 259, 497, 2627, 4421, 18389, 30947, 163577, 313891, 1145039, 2197237, 11613967, 81297769]

約数ペア:

[(1, 81297769), (7, 11613967), (37, 2197237), (71, 1145039), (259, 313891), (497, 163577), (2627, 30947), (4421, 18389)]