66440848

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{269}}^1\times {\mathrm{359}}^1$

素因数の和:679

約数の個数: 40

約数和(自身を含む): 132580800

約数和(自身を除く): 66139952

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 269, 344, 359, 538, 688, 718, 1076, 1436, 2152, 2872, 4304, 5744, 11567, 15437, 23134, 30874, 46268, 61748, 92536, 96571, 123496, 185072, 193142, 246992, 386284, 772568, 1545136, 4152553, 8305106, 16610212, 33220424, 66440848]

約数ペア:

[(1, 66440848), (2, 33220424), (4, 16610212), (8, 8305106), (16, 4152553), (43, 1545136), (86, 772568), (172, 386284), (269, 246992), (344, 193142), (359, 185072), (538, 123496), (688, 96571), (718, 92536), (1076, 61748), (1436, 46268), (2152, 30874), (2872, 23134), (4304, 15437), (5744, 11567)]