81505732

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{4993}}^1$

素因数の和:5068

約数の個数: 48

約数和(自身を含む): 181222272

約数和(自身を除く): 99716540

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 53, 77, 106, 154, 212, 308, 371, 583, 742, 1166, 1484, 2332, 4081, 4993, 8162, 9986, 16324, 19972, 34951, 54923, 69902, 109846, 139804, 219692, 264629, 384461, 529258, 768922, 1058516, 1537844, 1852403, 2910919, 3704806, 5821838, 7409612, 11643676, 20376433, 40752866, 81505732]

約数ペア:

[(1, 81505732), (2, 40752866), (4, 20376433), (7, 11643676), (11, 7409612), (14, 5821838), (22, 3704806), (28, 2910919), (44, 1852403), (53, 1537844), (77, 1058516), (106, 768922), (154, 529258), (212, 384461), (308, 264629), (371, 219692), (583, 139804), (742, 109846), (1166, 69902), (1484, 54923), (2332, 34951), (4081, 19972), (4993, 16324), (8162, 9986)]