257853492

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{550969}}^1$

素因数の和:550992

約数の個数: 36

約数和(自身を含む): 701935780

約数和(自身を除く): 444082288

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 550969, 1101938, 1652907, 2203876, 3305814, 4958721, 6611628, 7162597, 9917442, 14325194, 19834884, 21487791, 28650388, 42975582, 64463373, 85951164, 128926746, 257853492]

約数ペア:

[(1, 257853492), (2, 128926746), (3, 85951164), (4, 64463373), (6, 42975582), (9, 28650388), (12, 21487791), (13, 19834884), (18, 14325194), (26, 9917442), (36, 7162597), (39, 6611628), (52, 4958721), (78, 3305814), (117, 2203876), (156, 1652907), (234, 1101938), (468, 550969)]