17926321

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1\times {\mathrm{379}}^1$

素因数の和:648

約数の個数: 16

約数和(自身を含む): 21340800

約数和(自身を除く): 3414479

約数列:

[1, 7, 29, 203, 233, 379, 1631, 2653, 6757, 10991, 47299, 76937, 88307, 618149, 2560903, 17926321]

約数ペア:

[(1, 17926321), (7, 2560903), (29, 618149), (203, 88307), (233, 76937), (379, 47299), (1631, 10991), (2653, 6757)]