638049265

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1\times {\mathrm{1201}}^1$

素因数の和:1609

約数の個数: 32

約数和(自身を含む): 898672896

約数和(自身を除く): 260623631

約数列:

[1, 5, 7, 35, 43, 215, 301, 353, 1201, 1505, 1765, 2471, 6005, 8407, 12355, 15179, 42035, 51643, 75895, 106253, 258215, 361501, 423953, 531265, 1807505, 2119765, 2967671, 14838355, 18229979, 91149895, 127609853, 638049265]

約数ペア:

[(1, 638049265), (5, 127609853), (7, 91149895), (35, 18229979), (43, 14838355), (215, 2967671), (301, 2119765), (353, 1807505), (1201, 531265), (1505, 423953), (1765, 361501), (2471, 258215), (6005, 106253), (8407, 75895), (12355, 51643), (15179, 42035)]