1218420421

素因数分解:

${\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1\times {\mathrm{503}}^1$

素因数の和:996

約数の個数: 16

約数和(自身を含む): 1253387520

約数和(自身を除く): 34967099

約数列:

[1, 71, 109, 313, 503, 7739, 22223, 34117, 35713, 54827, 157439, 2422307, 3892717, 11178169, 17160851, 1218420421]

約数ペア:

[(1, 1218420421), (71, 17160851), (109, 11178169), (313, 3892717), (503, 2422307), (7739, 157439), (22223, 54827), (34117, 35713)]