78435819

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:110

約数の個数: 144

約数和(自身を含む): 162190080

約数和(自身を除く): 83754261

約数列:

[1, 3, 7, 9, 11, 19, 21, 23, 33, 37, 49, 57, 63, 69, 77, 99, 111, 133, 147, 161, 171, 207, 209, 231, 253, 259, 333, 399, 407, 437, 441, 483, 539, 627, 693, 703, 759, 777, 851, 931, 1127, 1197, 1221, 1311, 1449, 1463, 1617, 1771, 1813, 1881, 2109, 2277, 2331, 2553, 2793, 2849, 3059, 3381, 3663, 3933, 4389, 4807, 4851, 4921, 5313, 5439, 5957, 6327, 7659, 7733, 8379, 8547, 9177, 9361, 10143, 10241, 12397, 13167, 14421, 14763, 15939, 16169, 16317, 17871, 19943, 21413, 23199, 25641, 27531, 28083, 30723, 33649, 34447, 37191, 41699, 43263, 44289, 48507, 53613, 54131, 59829, 64239, 65527, 69597, 84249, 92169, 100947, 103341, 111573, 113183, 125097, 145521, 162393, 177859, 179487, 192717, 196581, 235543, 302841, 310023, 339549, 375291, 378917, 458689, 487179, 533577, 589743, 706629, 792281, 1018647, 1136751, 1245013, 1376067, 1600731, 2119887, 2376843, 3410253, 3735039, 4128201, 7130529, 8715091, 11205117, 26145273, 78435819]

約数ペア:

[(1, 78435819), (3, 26145273), (7, 11205117), (9, 8715091), (11, 7130529), (19, 4128201), (21, 3735039), (23, 3410253), (33, 2376843), (37, 2119887), (49, 1600731), (57, 1376067), (63, 1245013), (69, 1136751), (77, 1018647), (99, 792281), (111, 706629), (133, 589743), (147, 533577), (161, 487179), (171, 458689), (207, 378917), (209, 375291), (231, 339549), (253, 310023), (259, 302841), (333, 235543), (399, 196581), (407, 192717), (437, 179487), (441, 177859), (483, 162393), (539, 145521), (627, 125097), (693, 113183), (703, 111573), (759, 103341), (777, 100947), (851, 92169), (931, 84249), (1127, 69597), (1197, 65527), (1221, 64239), (1311, 59829), (1449, 54131), (1463, 53613), (1617, 48507), (1771, 44289), (1813, 43263), (1881, 41699), (2109, 37191), (2277, 34447), (2331, 33649), (2553, 30723), (2793, 28083), (2849, 27531), (3059, 25641), (3381, 23199), (3663, 21413), (3933, 19943), (4389, 17871), (4807, 16317), (4851, 16169), (4921, 15939), (5313, 14763), (5439, 14421), (5957, 13167), (6327, 12397), (7659, 10241), (7733, 10143), (8379, 9361), (8547, 9177)]