2788891294

素因数分解:

$2^1\times 7^1\times {\mathrm{3089}}^1\times {\mathrm{64489}}^1$

素因数の和:67587

約数の個数: 16

約数和(自身を含む): 4782578400

約数和(自身を除く): 1993687106

約数列:

[1, 2, 7, 14, 3089, 6178, 21623, 43246, 64489, 128978, 451423, 902846, 199206521, 398413042, 1394445647, 2788891294]

約数ペア:

[(1, 2788891294), (2, 1394445647), (7, 398413042), (14, 199206521), (3089, 902846), (6178, 451423), (21623, 128978), (43246, 64489)]