256605212

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{619}}^1\times {\mathrm{2801}}^1$

素因数の和:3461

約数の個数: 24

約数和(自身を含む): 462105840

約数和(自身を除く): 205500628

約数列:

[1, 2, 4, 37, 74, 148, 619, 1238, 2476, 2801, 5602, 11204, 22903, 45806, 91612, 103637, 207274, 414548, 1733819, 3467638, 6935276, 64151303, 128302606, 256605212]

約数ペア:

[(1, 256605212), (2, 128302606), (4, 64151303), (37, 6935276), (74, 3467638), (148, 1733819), (619, 414548), (1238, 207274), (2476, 103637), (2801, 91612), (5602, 45806), (11204, 22903)]