64013884

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 128120832

約数和(自身を除く): 64106948

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 71, 124, 142, 284, 341, 661, 682, 781, 1322, 1364, 1562, 2201, 2644, 3124, 4402, 7271, 8804, 14542, 20491, 24211, 29084, 40982, 46931, 48422, 81964, 93862, 96844, 187724, 225401, 450802, 516241, 901604, 1032482, 1454861, 2064964, 2909722, 5819444, 16003471, 32006942, 64013884]

約数ペア:

[(1, 64013884), (2, 32006942), (4, 16003471), (11, 5819444), (22, 2909722), (31, 2064964), (44, 1454861), (62, 1032482), (71, 901604), (124, 516241), (142, 450802), (284, 225401), (341, 187724), (661, 96844), (682, 93862), (781, 81964), (1322, 48422), (1364, 46931), (1562, 40982), (2201, 29084), (2644, 24211), (3124, 20491), (4402, 14542), (7271, 8804)]