81199188

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:358

約数の個数: 144

約数和(自身を含む): 249500160

約数和(自身を除く): 168300972

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 41, 42, 58, 63, 82, 84, 87, 116, 123, 126, 164, 174, 203, 246, 252, 261, 271, 287, 348, 369, 406, 492, 522, 542, 574, 609, 738, 812, 813, 861, 1044, 1084, 1148, 1189, 1218, 1476, 1626, 1722, 1827, 1897, 2378, 2436, 2439, 2583, 3252, 3444, 3567, 3654, 3794, 4756, 4878, 5166, 5691, 7134, 7308, 7588, 7859, 8323, 9756, 10332, 10701, 11111, 11382, 14268, 15718, 16646, 17073, 21402, 22222, 22764, 23577, 24969, 31436, 33292, 33333, 34146, 42804, 44444, 47154, 49938, 55013, 66666, 68292, 70731, 74907, 77777, 94308, 99876, 99999, 110026, 133332, 141462, 149814, 155554, 165039, 199998, 220052, 233331, 282924, 299628, 311108, 322219, 330078, 399996, 466662, 495117, 644438, 660156, 699993, 933324, 966657, 990234, 1288876, 1399986, 1933314, 1980468, 2255533, 2799972, 2899971, 3866628, 4511066, 5799942, 6766599, 9022132, 11599884, 13533198, 20299797, 27066396, 40599594, 81199188]

約数ペア:

[(1, 81199188), (2, 40599594), (3, 27066396), (4, 20299797), (6, 13533198), (7, 11599884), (9, 9022132), (12, 6766599), (14, 5799942), (18, 4511066), (21, 3866628), (28, 2899971), (29, 2799972), (36, 2255533), (41, 1980468), (42, 1933314), (58, 1399986), (63, 1288876), (82, 990234), (84, 966657), (87, 933324), (116, 699993), (123, 660156), (126, 644438), (164, 495117), (174, 466662), (203, 399996), (246, 330078), (252, 322219), (261, 311108), (271, 299628), (287, 282924), (348, 233331), (369, 220052), (406, 199998), (492, 165039), (522, 155554), (542, 149814), (574, 141462), (609, 133332), (738, 110026), (812, 99999), (813, 99876), (861, 94308), (1044, 77777), (1084, 74907), (1148, 70731), (1189, 68292), (1218, 66666), (1476, 55013), (1626, 49938), (1722, 47154), (1827, 44444), (1897, 42804), (2378, 34146), (2436, 33333), (2439, 33292), (2583, 31436), (3252, 24969), (3444, 23577), (3567, 22764), (3654, 22222), (3794, 21402), (4756, 17073), (4878, 16646), (5166, 15718), (5691, 14268), (7134, 11382), (7308, 11111), (7588, 10701), (7859, 10332), (8323, 9756)]