261888

素因数分解:

$2^8\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1$

素因数の和:61

約数の個数: 72

約数和(自身を含む): 784896

約数和(自身を除く): 523008

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 32, 33, 44, 48, 62, 64, 66, 88, 93, 96, 124, 128, 132, 176, 186, 192, 248, 256, 264, 341, 352, 372, 384, 496, 528, 682, 704, 744, 768, 992, 1023, 1056, 1364, 1408, 1488, 1984, 2046, 2112, 2728, 2816, 2976, 3968, 4092, 4224, 5456, 5952, 7936, 8184, 8448, 10912, 11904, 16368, 21824, 23808, 32736, 43648, 65472, 87296, 130944, 261888]

約数ペア:

[(1, 261888), (2, 130944), (3, 87296), (4, 65472), (6, 43648), (8, 32736), (11, 23808), (12, 21824), (16, 16368), (22, 11904), (24, 10912), (31, 8448), (32, 8184), (33, 7936), (44, 5952), (48, 5456), (62, 4224), (64, 4092), (66, 3968), (88, 2976), (93, 2816), (96, 2728), (124, 2112), (128, 2046), (132, 1984), (176, 1488), (186, 1408), (192, 1364), (248, 1056), (256, 1023), (264, 992), (341, 768), (352, 744), (372, 704), (384, 682), (496, 528)]