2788115

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{311}}^1$

素因数の和:490

約数の個数: 16

約数和(自身を含む): 3684096

約数和(自身を除く): 895981

約数列:

[1, 5, 11, 55, 163, 311, 815, 1555, 1793, 3421, 8965, 17105, 50693, 253465, 557623, 2788115]

約数ペア:

[(1, 2788115), (5, 557623), (11, 253465), (55, 50693), (163, 17105), (311, 8965), (815, 3421), (1555, 1793)]