28778823514

素因数分解:

$2^1\times 7^1\times {\mathrm{2689}}^1\times {\mathrm{764459}}^1$

素因数の和:767157

約数の個数: 16

約数和(自身を含む): 49353537600

約数和(自身を除く): 20574714086

約数列:

[1, 2, 7, 14, 2689, 5378, 18823, 37646, 764459, 1528918, 5351213, 10702426, 2055630251, 4111260502, 14389411757, 28778823514]

約数ペア:

[(1, 28778823514), (2, 14389411757), (7, 4111260502), (14, 2055630251), (2689, 10702426), (5378, 5351213), (18823, 1528918), (37646, 764459)]