1421428645

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3124019}}^1$

素因数の和:3124044

約数の個数: 16

約数和(自身を含む): 2099341440

約数和(自身を除く): 677912795

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 3124019, 15620095, 21868133, 40612247, 109340665, 203061235, 284285729, 1421428645]

約数ペア:

[(1, 1421428645), (5, 284285729), (7, 203061235), (13, 109340665), (35, 40612247), (65, 21868133), (91, 15620095), (455, 3124019)]