256178306

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{13163}}^1$

素因数の和:13465

約数の個数: 16

約数和(自身を含む): 396183744

約数和(自身を除く): 140005438

約数列:

[1, 2, 37, 74, 263, 526, 9731, 13163, 19462, 26326, 487031, 974062, 3461869, 6923738, 128089153, 256178306]

約数ペア:

[(1, 256178306), (2, 128089153), (37, 6923738), (74, 3461869), (263, 974062), (526, 487031), (9731, 26326), (13163, 19462)]