391252012

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{509}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 725709600

約数和(自身を除く): 334457588

約数列:

[1, 2, 4, 41, 43, 82, 86, 109, 164, 172, 218, 436, 509, 1018, 1763, 2036, 3526, 4469, 4687, 7052, 8938, 9374, 17876, 18748, 20869, 21887, 41738, 43774, 55481, 83476, 87548, 110962, 192167, 221924, 384334, 768668, 897367, 1794734, 2274721, 2385683, 3589468, 4549442, 4771366, 9098884, 9542732, 97813003, 195626006, 391252012]

約数ペア:

[(1, 391252012), (2, 195626006), (4, 97813003), (41, 9542732), (43, 9098884), (82, 4771366), (86, 4549442), (109, 3589468), (164, 2385683), (172, 2274721), (218, 1794734), (436, 897367), (509, 768668), (1018, 384334), (1763, 221924), (2036, 192167), (3526, 110962), (4469, 87548), (4687, 83476), (7052, 55481), (8938, 43774), (9374, 41738), (17876, 21887), (18748, 20869)]