81401852

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2887}}^1$

素因数の和:2970

約数の個数: 48

約数和(自身を含む): 174666240

約数和(自身を除く): 93264388

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 53, 76, 106, 133, 212, 266, 371, 532, 742, 1007, 1484, 2014, 2887, 4028, 5774, 7049, 11548, 14098, 20209, 28196, 40418, 54853, 80836, 109706, 153011, 219412, 306022, 383971, 612044, 767942, 1071077, 1535884, 2142154, 2907209, 4284308, 5814418, 11628836, 20350463, 40700926, 81401852]

約数ペア:

[(1, 81401852), (2, 40700926), (4, 20350463), (7, 11628836), (14, 5814418), (19, 4284308), (28, 2907209), (38, 2142154), (53, 1535884), (76, 1071077), (106, 767942), (133, 612044), (212, 383971), (266, 306022), (371, 219412), (532, 153011), (742, 109706), (1007, 80836), (1484, 54853), (2014, 40418), (2887, 28196), (4028, 20209), (5774, 14098), (7049, 11548)]