259553281

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{11807}}^1$

素因数の和:11928

約数の個数: 16

約数和(自身を含む): 297561600

約数和(自身を除く): 38008319

約数列:

[1, 13, 19, 89, 247, 1157, 1691, 11807, 21983, 153491, 224333, 1050823, 2916329, 13660699, 19965637, 259553281]

約数ペア:

[(1, 259553281), (13, 19965637), (19, 13660699), (89, 2916329), (247, 1050823), (1157, 224333), (1691, 153491), (11807, 21983)]