39840017

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{4219}}^1$

素因数の和:4316

約数の個数: 16

約数和(自身を含む): 48614400

約数和(自身を除く): 8774383

約数列:

[1, 7, 19, 71, 133, 497, 1349, 4219, 9443, 29533, 80161, 299549, 561127, 2096843, 5691431, 39840017]

約数ペア:

[(1, 39840017), (7, 5691431), (19, 2096843), (71, 561127), (133, 299549), (497, 80161), (1349, 29533), (4219, 9443)]