253996921

素因数分解:

${\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{1237}}^1$

素因数の和:1464

約数の個数: 16

約数和(自身を含む): 272756160

約数和(自身を除く): 18759239

約数列:

[1, 19, 101, 107, 1237, 1919, 2033, 10807, 23503, 124937, 132359, 205333, 2373803, 2514821, 13368259, 253996921]

約数ペア:

[(1, 253996921), (19, 13368259), (101, 2514821), (107, 2373803), (1237, 205333), (1919, 132359), (2033, 124937), (10807, 23503)]