72205441

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{40771}}^1$

素因数の和:40812

約数の個数: 16

約数和(自身を含む): 93938688

約数和(自身を除く): 21733247

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 40771, 285397, 448481, 937733, 3139367, 6564131, 10315063, 72205441]

約数ペア:

[(1, 72205441), (7, 10315063), (11, 6564131), (23, 3139367), (77, 937733), (161, 448481), (253, 285397), (1771, 40771)]