221736688

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{1433}}^1$

素因数の和:1969

約数の個数: 40

約数和(自身を含む): 453430800

約数和(自身を除く): 231694112

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 509, 1018, 1433, 2036, 2866, 4072, 5732, 8144, 9671, 11464, 19342, 22928, 27227, 38684, 54454, 77368, 108908, 154736, 217816, 435632, 729397, 1458794, 2917588, 5835176, 11670352, 13858543, 27717086, 55434172, 110868344, 221736688]

約数ペア:

[(1, 221736688), (2, 110868344), (4, 55434172), (8, 27717086), (16, 13858543), (19, 11670352), (38, 5835176), (76, 2917588), (152, 1458794), (304, 729397), (509, 435632), (1018, 217816), (1433, 154736), (2036, 108908), (2866, 77368), (4072, 54454), (5732, 38684), (8144, 27227), (9671, 22928), (11464, 19342)]