81690049

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{619}}^1\times {\mathrm{1109}}^1$

素因数の和:1752

約数の個数: 16

約数和(自身を含む): 99100800

約数和(自身を除く): 17410751

約数列:

[1, 7, 17, 119, 619, 1109, 4333, 7763, 10523, 18853, 73661, 131971, 686471, 4805297, 11670007, 81690049]

約数ペア:

[(1, 81690049), (7, 11670007), (17, 4805297), (119, 686471), (619, 131971), (1109, 73661), (4333, 18853), (7763, 10523)]