73768780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{216967}}^1$

素因数の和:216993

約数の個数: 24

約数和(自身を含む): 164027808

約数和(自身を除く): 90259028

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 216967, 433934, 867868, 1084835, 2169670, 3688439, 4339340, 7376878, 14753756, 18442195, 36884390, 73768780]

約数ペア:

[(1, 73768780), (2, 36884390), (4, 18442195), (5, 14753756), (10, 7376878), (17, 4339340), (20, 3688439), (34, 2169670), (68, 1084835), (85, 867868), (170, 433934), (340, 216967)]