264787496

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{17959}}^1$

素因数の和:18081

約数の個数: 32

約数和(自身を含む): 528024000

約数和(自身を除く): 263236504

約数列:

[1, 2, 4, 8, 19, 38, 76, 97, 152, 194, 388, 776, 1843, 3686, 7372, 14744, 17959, 35918, 71836, 143672, 341221, 682442, 1364884, 1742023, 2729768, 3484046, 6968092, 13936184, 33098437, 66196874, 132393748, 264787496]

約数ペア:

[(1, 264787496), (2, 132393748), (4, 66196874), (8, 33098437), (19, 13936184), (38, 6968092), (76, 3484046), (97, 2729768), (152, 1742023), (194, 1364884), (388, 682442), (776, 341221), (1843, 143672), (3686, 71836), (7372, 35918), (14744, 17959)]