256639032

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{274187}}^1$

素因数の和:274212

約数の個数: 48

約数和(自身を含む): 748533240

約数和(自身を除く): 491894208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 274187, 548374, 822561, 1096748, 1645122, 2193496, 2467683, 3290244, 3564431, 4935366, 6580488, 7128862, 9870732, 10693293, 14257724, 19741464, 21386586, 28515448, 32079879, 42773172, 64159758, 85546344, 128319516, 256639032]

約数ペア:

[(1, 256639032), (2, 128319516), (3, 85546344), (4, 64159758), (6, 42773172), (8, 32079879), (9, 28515448), (12, 21386586), (13, 19741464), (18, 14257724), (24, 10693293), (26, 9870732), (36, 7128862), (39, 6580488), (52, 4935366), (72, 3564431), (78, 3290244), (104, 2467683), (117, 2193496), (156, 1645122), (234, 1096748), (312, 822561), (468, 548374), (936, 274187)]