69489688

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 143078400

約数和(自身を除く): 73588712

約数列:

[1, 2, 4, 8, 19, 38, 47, 71, 76, 94, 137, 142, 152, 188, 274, 284, 376, 548, 568, 893, 1096, 1349, 1786, 2603, 2698, 3337, 3572, 5206, 5396, 6439, 6674, 7144, 9727, 10412, 10792, 12878, 13348, 19454, 20824, 25756, 26696, 38908, 51512, 63403, 77816, 122341, 126806, 184813, 244682, 253612, 369626, 457169, 489364, 507224, 739252, 914338, 978728, 1478504, 1828676, 3657352, 8686211, 17372422, 34744844, 69489688]

約数ペア:

[(1, 69489688), (2, 34744844), (4, 17372422), (8, 8686211), (19, 3657352), (38, 1828676), (47, 1478504), (71, 978728), (76, 914338), (94, 739252), (137, 507224), (142, 489364), (152, 457169), (188, 369626), (274, 253612), (284, 244682), (376, 184813), (548, 126806), (568, 122341), (893, 77816), (1096, 63403), (1349, 51512), (1786, 38908), (2603, 26696), (2698, 25756), (3337, 20824), (3572, 19454), (5206, 13348), (5396, 12878), (6439, 10792), (6674, 10412), (7144, 9727)]