17970869

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{821}}^1$

素因数の和:940

約数の個数: 16

約数和(自身を含む): 21306240

約数和(自身を除く): 3335371

約数列:

[1, 7, 53, 59, 371, 413, 821, 3127, 5747, 21889, 43513, 48439, 304591, 339073, 2567267, 17970869]

約数ペア:

[(1, 17970869), (7, 2567267), (53, 339073), (59, 304591), (371, 48439), (413, 43513), (821, 21889), (3127, 5747)]