889994

素因数分解:

$2^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{421}}^1$

素因数の和:581

約数の個数: 16

約数和(自身を含む): 1539456

約数和(自身を除く): 649462

約数列:

[1, 2, 7, 14, 151, 302, 421, 842, 1057, 2114, 2947, 5894, 63571, 127142, 444997, 889994]

約数ペア:

[(1, 889994), (2, 444997), (7, 127142), (14, 63571), (151, 5894), (302, 2947), (421, 2114), (842, 1057)]