991045

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1$

素因数の和:540

約数の個数: 16

約数和(自身を含む): 1335168

約数和(自身を除く): 344123

約数列:

[1, 5, 11, 37, 55, 185, 407, 487, 2035, 2435, 5357, 18019, 26785, 90095, 198209, 991045]

約数ペア:

[(1, 991045), (5, 198209), (11, 90095), (37, 26785), (55, 18019), (185, 5357), (407, 2435), (487, 2035)]