981569146

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{66403}}^1$

素因数の和:66813

約数の個数: 16

約数和(自身を含む): 1553853600

約数和(自身を除く): 572284454

約数列:

[1, 2, 19, 38, 389, 778, 7391, 14782, 66403, 132806, 1261657, 2523314, 25830767, 51661534, 490784573, 981569146]

約数ペア:

[(1, 981569146), (2, 490784573), (19, 51661534), (38, 25830767), (389, 2523314), (778, 1261657), (7391, 132806), (14782, 66403)]