261280498724

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1631657}}^1$

素因数の和:1631737

約数の個数: 72

約数和(自身を含む): 572907756960

約数和(自身を除く): 311627258236

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 49, 76, 86, 98, 133, 172, 196, 266, 301, 532, 602, 817, 931, 1204, 1634, 1862, 2107, 3268, 3724, 4214, 5719, 8428, 11438, 22876, 40033, 80066, 160132, 1631657, 3263314, 6526628, 11421599, 22843198, 31001483, 45686396, 62002966, 70161251, 79951193, 124005932, 140322502, 159902386, 217010381, 280645004, 319804772, 434020762, 491128757, 868041524, 982257514, 1333063769, 1519072667, 1964515028, 2666127538, 3038145334, 3437901299, 5332255076, 6076290668, 6875802598, 9331446383, 13751605196, 18662892766, 37325785532, 65320124681, 130640249362, 261280498724]

約数ペア:

[(1, 261280498724), (2, 130640249362), (4, 65320124681), (7, 37325785532), (14, 18662892766), (19, 13751605196), (28, 9331446383), (38, 6875802598), (43, 6076290668), (49, 5332255076), (76, 3437901299), (86, 3038145334), (98, 2666127538), (133, 1964515028), (172, 1519072667), (196, 1333063769), (266, 982257514), (301, 868041524), (532, 491128757), (602, 434020762), (817, 319804772), (931, 280645004), (1204, 217010381), (1634, 159902386), (1862, 140322502), (2107, 124005932), (3268, 79951193), (3724, 70161251), (4214, 62002966), (5719, 45686396), (8428, 31001483), (11438, 22843198), (22876, 11421599), (40033, 6526628), (80066, 3263314), (160132, 1631657)]