78813756

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:361

約数の個数: 144

約数和(自身を含む): 243038880

約数和(自身を除く): 164225124

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 53, 54, 63, 84, 98, 106, 108, 126, 147, 159, 189, 196, 212, 252, 281, 294, 318, 371, 378, 441, 477, 562, 588, 636, 742, 756, 843, 882, 954, 1113, 1124, 1323, 1431, 1484, 1686, 1764, 1908, 1967, 2226, 2529, 2597, 2646, 2862, 3339, 3372, 3934, 4452, 5058, 5194, 5292, 5724, 5901, 6678, 7587, 7791, 7868, 10017, 10116, 10388, 11802, 13356, 13769, 14893, 15174, 15582, 17703, 20034, 23373, 23604, 27538, 29786, 30348, 31164, 35406, 40068, 41307, 44679, 46746, 53109, 55076, 59572, 70119, 70812, 82614, 89358, 93492, 104251, 106218, 123921, 134037, 140238, 165228, 178716, 208502, 212436, 247842, 268074, 280476, 312753, 371763, 402111, 417004, 495684, 536148, 625506, 729757, 743526, 804222, 938259, 1251012, 1459514, 1487052, 1608444, 1876518, 2189271, 2814777, 2919028, 3753036, 4378542, 5629554, 6567813, 8757084, 11259108, 13135626, 19703439, 26271252, 39406878, 78813756]

約数ペア:

[(1, 78813756), (2, 39406878), (3, 26271252), (4, 19703439), (6, 13135626), (7, 11259108), (9, 8757084), (12, 6567813), (14, 5629554), (18, 4378542), (21, 3753036), (27, 2919028), (28, 2814777), (36, 2189271), (42, 1876518), (49, 1608444), (53, 1487052), (54, 1459514), (63, 1251012), (84, 938259), (98, 804222), (106, 743526), (108, 729757), (126, 625506), (147, 536148), (159, 495684), (189, 417004), (196, 402111), (212, 371763), (252, 312753), (281, 280476), (294, 268074), (318, 247842), (371, 212436), (378, 208502), (441, 178716), (477, 165228), (562, 140238), (588, 134037), (636, 123921), (742, 106218), (756, 104251), (843, 93492), (882, 89358), (954, 82614), (1113, 70812), (1124, 70119), (1323, 59572), (1431, 55076), (1484, 53109), (1686, 46746), (1764, 44679), (1908, 41307), (1967, 40068), (2226, 35406), (2529, 31164), (2597, 30348), (2646, 29786), (2862, 27538), (3339, 23604), (3372, 23373), (3934, 20034), (4452, 17703), (5058, 15582), (5194, 15174), (5292, 14893), (5724, 13769), (5901, 13356), (6678, 11802), (7587, 10388), (7791, 10116), (7868, 10017)]