221510324

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1\times {\mathrm{353}}^1$

素因数の和:744

約数の個数: 48

約数和(自身を含む): 451828608

約数和(自身を除く): 230318284

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 307, 353, 511, 614, 706, 1022, 1228, 1412, 2044, 2149, 2471, 4298, 4942, 8596, 9884, 22411, 25769, 44822, 51538, 89644, 103076, 108371, 156877, 180383, 216742, 313754, 360766, 433484, 627508, 721532, 758597, 1517194, 3034388, 7911083, 15822166, 31644332, 55377581, 110755162, 221510324]

約数ペア:

[(1, 221510324), (2, 110755162), (4, 55377581), (7, 31644332), (14, 15822166), (28, 7911083), (73, 3034388), (146, 1517194), (292, 758597), (307, 721532), (353, 627508), (511, 433484), (614, 360766), (706, 313754), (1022, 216742), (1228, 180383), (1412, 156877), (2044, 108371), (2149, 103076), (2471, 89644), (4298, 51538), (4942, 44822), (8596, 25769), (9884, 22411)]