778021235

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{538423}}^1$

素因数の和:538462

約数の個数: 12

約数和(自身を含む): 991777008

約数和(自身を除く): 213755773

約数列:

[1, 5, 17, 85, 289, 1445, 538423, 2692115, 9153191, 45765955, 155604247, 778021235]

約数ペア:

[(1, 778021235), (5, 155604247), (17, 45765955), (85, 9153191), (289, 2692115), (1445, 538423)]