90211681

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{8363}}^1$

素因数の和:8460

約数の個数: 16

約数和(自身を含む): 109200384

約数和(自身を除く): 18988703

約数列:

[1, 7, 23, 67, 161, 469, 1541, 8363, 10787, 58541, 192349, 560321, 1346443, 3922247, 12887383, 90211681]

約数ペア:

[(1, 90211681), (7, 12887383), (23, 3922247), (67, 1346443), (161, 560321), (469, 192349), (1541, 58541), (8363, 10787)]