66721396

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{140171}}^1$

素因数の和:140199

約数の個数: 24

約数和(自身を含む): 141293376

約数和(自身を除く): 74571980

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 140171, 280342, 560684, 981197, 1962394, 2382907, 3924788, 4765814, 9531628, 16680349, 33360698, 66721396]

約数ペア:

[(1, 66721396), (2, 33360698), (4, 16680349), (7, 9531628), (14, 4765814), (17, 3924788), (28, 2382907), (34, 1962394), (68, 981197), (119, 560684), (238, 280342), (476, 140171)]