261077152

素因数分解:

$2^5\times 7^1\times {\mathrm{53}}^1\times {\mathrm{21991}}^1$

素因数の和:22061

約数の個数: 48

約数和(自身を含む): 598534272

約数和(自身を除く): 337457120

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 106, 112, 212, 224, 371, 424, 742, 848, 1484, 1696, 2968, 5936, 11872, 21991, 43982, 87964, 153937, 175928, 307874, 351856, 615748, 703712, 1165523, 1231496, 2331046, 2462992, 4662092, 4925984, 8158661, 9324184, 16317322, 18648368, 32634644, 37296736, 65269288, 130538576, 261077152]

約数ペア:

[(1, 261077152), (2, 130538576), (4, 65269288), (7, 37296736), (8, 32634644), (14, 18648368), (16, 16317322), (28, 9324184), (32, 8158661), (53, 4925984), (56, 4662092), (106, 2462992), (112, 2331046), (212, 1231496), (224, 1165523), (371, 703712), (424, 615748), (742, 351856), (848, 307874), (1484, 175928), (1696, 153937), (2968, 87964), (5936, 43982), (11872, 21991)]