217403988

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{2341}}^1$

素因数の和:2528

約数の個数: 48

約数和(自身を含む): 519361920

約数和(自身を除く): 301957932

約数列:

[1, 2, 3, 4, 6, 12, 71, 109, 142, 213, 218, 284, 327, 426, 436, 654, 852, 1308, 2341, 4682, 7023, 7739, 9364, 14046, 15478, 23217, 28092, 30956, 46434, 92868, 166211, 255169, 332422, 498633, 510338, 664844, 765507, 997266, 1020676, 1531014, 1994532, 3062028, 18116999, 36233998, 54350997, 72467996, 108701994, 217403988]

約数ペア:

[(1, 217403988), (2, 108701994), (3, 72467996), (4, 54350997), (6, 36233998), (12, 18116999), (71, 3062028), (109, 1994532), (142, 1531014), (213, 1020676), (218, 997266), (284, 765507), (327, 664844), (426, 510338), (436, 498633), (654, 332422), (852, 255169), (1308, 166211), (2341, 92868), (4682, 46434), (7023, 30956), (7739, 28092), (9364, 23217), (14046, 15478)]