1950455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{811}}^1$

素因数の和:866

約数の個数: 16

約数和(自身を含む): 2591904

約数和(自身を除く): 641449

約数列:

[1, 5, 13, 37, 65, 185, 481, 811, 2405, 4055, 10543, 30007, 52715, 150035, 390091, 1950455]

約数ペア:

[(1, 1950455), (5, 390091), (13, 150035), (37, 52715), (65, 30007), (185, 10543), (481, 4055), (811, 2405)]