1965964

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 4628736

約数和(自身を除く): 2662772

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 491, 572, 982, 1001, 1964, 2002, 3437, 4004, 5401, 6383, 6874, 10802, 12766, 13748, 21604, 25532, 37807, 44681, 70213, 75614, 89362, 140426, 151228, 178724, 280852, 491491, 982982, 1965964]

約数ペア:

[(1, 1965964), (2, 982982), (4, 491491), (7, 280852), (11, 178724), (13, 151228), (14, 140426), (22, 89362), (26, 75614), (28, 70213), (44, 44681), (52, 37807), (77, 25532), (91, 21604), (143, 13748), (154, 12766), (182, 10802), (286, 6874), (308, 6383), (364, 5401), (491, 4004), (572, 3437), (982, 2002), (1001, 1964)]