28909804

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:116

約数の個数: 108

約数和(自身を含む): 68774832

約数和(自身を除く): 39865028

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 49, 53, 77, 92, 98, 106, 121, 154, 161, 196, 212, 242, 253, 308, 322, 371, 484, 506, 539, 583, 644, 742, 847, 1012, 1078, 1127, 1166, 1219, 1484, 1694, 1771, 2156, 2254, 2332, 2438, 2597, 2783, 3388, 3542, 4081, 4508, 4876, 5194, 5566, 5929, 6413, 7084, 8162, 8533, 10388, 11132, 11858, 12397, 12826, 13409, 16324, 17066, 19481, 23716, 24794, 25652, 26818, 28567, 34132, 38962, 44891, 49588, 53636, 57134, 59731, 77924, 89782, 93863, 114268, 119462, 136367, 147499, 179564, 187726, 238924, 272734, 294998, 314237, 375452, 545468, 589996, 628474, 657041, 1032493, 1256948, 1314082, 2064986, 2628164, 4129972, 7227451, 14454902, 28909804]

約数ペア:

[(1, 28909804), (2, 14454902), (4, 7227451), (7, 4129972), (11, 2628164), (14, 2064986), (22, 1314082), (23, 1256948), (28, 1032493), (44, 657041), (46, 628474), (49, 589996), (53, 545468), (77, 375452), (92, 314237), (98, 294998), (106, 272734), (121, 238924), (154, 187726), (161, 179564), (196, 147499), (212, 136367), (242, 119462), (253, 114268), (308, 93863), (322, 89782), (371, 77924), (484, 59731), (506, 57134), (539, 53636), (583, 49588), (644, 44891), (742, 38962), (847, 34132), (1012, 28567), (1078, 26818), (1127, 25652), (1166, 24794), (1219, 23716), (1484, 19481), (1694, 17066), (1771, 16324), (2156, 13409), (2254, 12826), (2332, 12397), (2438, 11858), (2597, 11132), (2783, 10388), (3388, 8533), (3542, 8162), (4081, 7084), (4508, 6413), (4876, 5929), (5194, 5566)]