251818989

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{1487}}^1\times {\mathrm{2971}}^1$

素因数の和:4480

約数の個数: 16

約数和(自身を含む): 353786880

約数和(自身を除く): 101967891

約数列:

[1, 3, 19, 57, 1487, 2971, 4461, 8913, 28253, 56449, 84759, 169347, 4417877, 13253631, 83939663, 251818989]

約数ペア:

[(1, 251818989), (3, 83939663), (19, 13253631), (57, 4417877), (1487, 169347), (2971, 84759), (4461, 56449), (8913, 28253)]