1256216

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:323

約数の個数: 32

約数和(自身を含む): 2600640

約数和(自身を除く): 1344424

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 188, 257, 376, 514, 611, 1028, 1222, 2056, 2444, 3341, 4888, 6682, 12079, 13364, 24158, 26728, 48316, 96632, 157027, 314054, 628108, 1256216]

約数ペア:

[(1, 1256216), (2, 628108), (4, 314054), (8, 157027), (13, 96632), (26, 48316), (47, 26728), (52, 24158), (94, 13364), (104, 12079), (188, 6682), (257, 4888), (376, 3341), (514, 2444), (611, 2056), (1028, 1222)]