72142981

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1\times {\mathrm{421}}^1$

素因数の和:780

約数の個数: 16

約数和(自身を含む): 78998400

約数和(自身を除く): 6855419

約数列:

[1, 19, 29, 311, 421, 551, 5909, 7999, 9019, 12209, 130931, 171361, 231971, 2487689, 3796999, 72142981]

約数ペア:

[(1, 72142981), (19, 3796999), (29, 2487689), (311, 231971), (421, 171361), (551, 130931), (5909, 12209), (7999, 9019)]