389702008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{16979}}^1$

素因数の和:17155

約数の個数: 32

約数和(自身を含む): 774288000

約数和(自身を除く): 384585992

約数列:

[1, 2, 4, 8, 19, 38, 76, 151, 152, 302, 604, 1208, 2869, 5738, 11476, 16979, 22952, 33958, 67916, 135832, 322601, 645202, 1290404, 2563829, 2580808, 5127658, 10255316, 20510632, 48712751, 97425502, 194851004, 389702008]

約数ペア:

[(1, 389702008), (2, 194851004), (4, 97425502), (8, 48712751), (19, 20510632), (38, 10255316), (76, 5127658), (151, 2580808), (152, 2563829), (302, 1290404), (604, 645202), (1208, 322601), (2869, 135832), (5738, 67916), (11476, 33958), (16979, 22952)]