1390909356

素因数分解:

$2^2\times 3^2\times {\mathrm{38636371}}^1$

素因数の和:38636381

約数の個数: 18

約数和(自身を含む): 3515909852

約数和(自身を除く): 2125000496

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 38636371, 77272742, 115909113, 154545484, 231818226, 347727339, 463636452, 695454678, 1390909356]

約数ペア:

[(1, 1390909356), (2, 695454678), (3, 463636452), (4, 347727339), (6, 231818226), (9, 154545484), (12, 115909113), (18, 77272742), (36, 38636371)]