1288495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1$

素因数の和:522

約数の個数: 16

約数和(自身を含む): 1707552

約数和(自身を除く): 419057

約数列:

[1, 5, 13, 43, 65, 215, 461, 559, 2305, 2795, 5993, 19823, 29965, 99115, 257699, 1288495]

約数ペア:

[(1, 1288495), (5, 257699), (13, 99115), (43, 29965), (65, 19823), (215, 5993), (461, 2795), (559, 2305)]