128682832

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{359}}^1\times {\mathrm{521}}^1$

素因数の和:931

約数の個数: 40

約数和(自身を含む): 256322880

約数和(自身を除く): 127640048

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 359, 521, 688, 718, 1042, 1436, 2084, 2872, 4168, 5744, 8336, 15437, 22403, 30874, 44806, 61748, 89612, 123496, 179224, 187039, 246992, 358448, 374078, 748156, 1496312, 2992624, 8042677, 16085354, 32170708, 64341416, 128682832]

約数ペア:

[(1, 128682832), (2, 64341416), (4, 32170708), (8, 16085354), (16, 8042677), (43, 2992624), (86, 1496312), (172, 748156), (344, 374078), (359, 358448), (521, 246992), (688, 187039), (718, 179224), (1042, 123496), (1436, 89612), (2084, 61748), (2872, 44806), (4168, 30874), (5744, 22403), (8336, 15437)]