74569985

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{647}}^1$

素因数の和:785

約数の個数: 32

約数和(自身を含む): 106375680

約数和(自身を除く): 31805695

約数列:

[1, 5, 7, 35, 37, 89, 185, 259, 445, 623, 647, 1295, 3115, 3235, 3293, 4529, 16465, 22645, 23051, 23939, 57583, 115255, 119695, 167573, 287915, 403081, 837865, 2015405, 2130571, 10652855, 14913997, 74569985]

約数ペア:

[(1, 74569985), (5, 14913997), (7, 10652855), (35, 2130571), (37, 2015405), (89, 837865), (185, 403081), (259, 287915), (445, 167573), (623, 119695), (647, 115255), (1295, 57583), (3115, 23939), (3235, 23051), (3293, 22645), (4529, 16465)]