9990415

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{271}}^1$

素因数の和:450

約数の個数: 16

約数和(自身を含む): 12318336

約数和(自身を除く): 2327921

約数列:

[1, 5, 73, 101, 271, 365, 505, 1355, 7373, 19783, 27371, 36865, 98915, 136855, 1998083, 9990415]

約数ペア:

[(1, 9990415), (5, 1998083), (73, 136855), (101, 98915), (271, 36865), (365, 27371), (505, 19783), (1355, 7373)]