1287014725

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{167}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 1682892288

約数和(自身を除く): 395877563

約数列:

[1, 5, 25, 43, 67, 107, 167, 215, 335, 535, 835, 1075, 1675, 2675, 2881, 4175, 4601, 7169, 7181, 11189, 14405, 17869, 23005, 35845, 35905, 55945, 72025, 89345, 115025, 179225, 179525, 279725, 308267, 446725, 481127, 768367, 1197223, 1541335, 2405635, 3841835, 5986115, 7706675, 12028175, 19209175, 29930575, 51480589, 257402945, 1287014725]

約数ペア:

[(1, 1287014725), (5, 257402945), (25, 51480589), (43, 29930575), (67, 19209175), (107, 12028175), (167, 7706675), (215, 5986115), (335, 3841835), (535, 2405635), (835, 1541335), (1075, 1197223), (1675, 768367), (2675, 481127), (2881, 446725), (4175, 308267), (4601, 279725), (7169, 179525), (7181, 179225), (11189, 115025), (14405, 89345), (17869, 72025), (23005, 55945), (35845, 35905)]