9947971201

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{709}}^1\times {\mathrm{87149}}^1$

素因数の和:87888

約数の個数: 16

約数和(自身を含む): 11880288000

約数和(自身を除く): 1932316799

約数列:

[1, 7, 23, 161, 709, 4963, 16307, 87149, 114149, 610043, 2004427, 14030989, 61788641, 432520487, 1421138743, 9947971201]

約数ペア:

[(1, 9947971201), (7, 1421138743), (23, 432520487), (161, 61788641), (709, 14030989), (4963, 2004427), (16307, 610043), (87149, 114149)]