81478265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{829}}^1\times {\mathrm{1787}}^1$

素因数の和:2632

約数の個数: 16

約数和(自身を含む): 106850880

約数和(自身を除く): 25372615

約数列:

[1, 5, 11, 55, 829, 1787, 4145, 8935, 9119, 19657, 45595, 98285, 1481423, 7407115, 16295653, 81478265]

約数ペア:

[(1, 81478265), (5, 16295653), (11, 7407115), (55, 1481423), (829, 98285), (1787, 45595), (4145, 19657), (8935, 9119)]