81324468

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1277}}^1$

素因数の和:1377

約数の個数: 72

約数和(自身を含む): 216314280

約数和(自身を除く): 134989812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 61, 87, 116, 122, 174, 183, 244, 261, 348, 366, 522, 549, 732, 1044, 1098, 1277, 1769, 2196, 2554, 3538, 3831, 5108, 5307, 7076, 7662, 10614, 11493, 15324, 15921, 21228, 22986, 31842, 37033, 45972, 63684, 74066, 77897, 111099, 148132, 155794, 222198, 233691, 311588, 333297, 444396, 467382, 666594, 701073, 934764, 1333188, 1402146, 2259013, 2804292, 4518026, 6777039, 9036052, 13554078, 20331117, 27108156, 40662234, 81324468]

約数ペア:

[(1, 81324468), (2, 40662234), (3, 27108156), (4, 20331117), (6, 13554078), (9, 9036052), (12, 6777039), (18, 4518026), (29, 2804292), (36, 2259013), (58, 1402146), (61, 1333188), (87, 934764), (116, 701073), (122, 666594), (174, 467382), (183, 444396), (244, 333297), (261, 311588), (348, 233691), (366, 222198), (522, 155794), (549, 148132), (732, 111099), (1044, 77897), (1098, 74066), (1277, 63684), (1769, 45972), (2196, 37033), (2554, 31842), (3538, 22986), (3831, 21228), (5108, 15921), (5307, 15324), (7076, 11493), (7662, 10614)]