214910969

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^2\times {\mathrm{251}}^1$

素因数の和:465

約数の個数: 24

約数和(自身を含む): 268325568

約数和(自身を除く): 53414599

約数列:

[1, 7, 13, 91, 97, 251, 679, 1261, 1757, 3263, 8827, 9409, 22841, 24347, 65863, 122317, 170429, 316511, 856219, 2215577, 2361659, 16531613, 30701567, 214910969]

約数ペア:

[(1, 214910969), (7, 30701567), (13, 16531613), (91, 2361659), (97, 2215577), (251, 856219), (679, 316511), (1261, 170429), (1757, 122317), (3263, 65863), (8827, 24347), (9409, 22841)]