68684845

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{887}}^1\times {\mathrm{911}}^1$

素因数の和:1820

約数の個数: 16

約数和(自身を含む): 87464448

約数和(自身を除く): 18779603

約数列:

[1, 5, 17, 85, 887, 911, 4435, 4555, 15079, 15487, 75395, 77435, 808057, 4040285, 13736969, 68684845]

約数ペア:

[(1, 68684845), (5, 13736969), (17, 4040285), (85, 808057), (887, 77435), (911, 75395), (4435, 15487), (4555, 15079)]