13989409

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{421}}^1$

素因数の和:576

約数の個数: 16

約数和(自身を含む): 16528896

約数和(自身を除く): 2539487

約数列:

[1, 7, 47, 101, 329, 421, 707, 2947, 4747, 19787, 33229, 42521, 138509, 297647, 1998487, 13989409]

約数ペア:

[(1, 13989409), (7, 1998487), (47, 297647), (101, 138509), (329, 42521), (421, 33229), (707, 19787), (2947, 4747)]