256280215

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{19541}}^1$

素因数の和:19650

約数の個数: 16

約数和(自身を含む): 319863456

約数和(自身を除く): 63583241

約数列:

[1, 5, 43, 61, 215, 305, 2623, 13115, 19541, 97705, 840263, 1192001, 4201315, 5960005, 51256043, 256280215]

約数ペア:

[(1, 256280215), (5, 51256043), (43, 5960005), (61, 4201315), (215, 1192001), (305, 840263), (2623, 97705), (13115, 19541)]