28571079

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{1997}}^1$

素因数の和:2270

約数の個数: 16

約数和(自身を含む): 40279680

約数和(自身を除く): 11708601

約数列:

[1, 3, 19, 57, 251, 753, 1997, 4769, 5991, 14307, 37943, 113829, 501247, 1503741, 9523693, 28571079]

約数ペア:

[(1, 28571079), (3, 9523693), (19, 1503741), (57, 501247), (251, 113829), (753, 37943), (1997, 14307), (4769, 5991)]