28479276

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{433}}^1$

素因数の和:485

約数の個数: 120

約数和(自身を含む): 88223520

約数和(自身を除く): 59744244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 29, 36, 42, 54, 58, 63, 81, 84, 87, 108, 116, 126, 162, 174, 189, 203, 252, 261, 324, 348, 378, 406, 433, 522, 567, 609, 756, 783, 812, 866, 1044, 1134, 1218, 1299, 1566, 1732, 1827, 2268, 2349, 2436, 2598, 3031, 3132, 3654, 3897, 4698, 5196, 5481, 6062, 7308, 7794, 9093, 9396, 10962, 11691, 12124, 12557, 15588, 16443, 18186, 21924, 23382, 25114, 27279, 32886, 35073, 36372, 37671, 46764, 50228, 54558, 65772, 70146, 75342, 81837, 87899, 109116, 113013, 140292, 150684, 163674, 175798, 226026, 245511, 263697, 327348, 339039, 351596, 452052, 491022, 527394, 678078, 791091, 982044, 1017117, 1054788, 1356156, 1582182, 2034234, 2373273, 3164364, 4068468, 4746546, 7119819, 9493092, 14239638, 28479276]

約数ペア:

[(1, 28479276), (2, 14239638), (3, 9493092), (4, 7119819), (6, 4746546), (7, 4068468), (9, 3164364), (12, 2373273), (14, 2034234), (18, 1582182), (21, 1356156), (27, 1054788), (28, 1017117), (29, 982044), (36, 791091), (42, 678078), (54, 527394), (58, 491022), (63, 452052), (81, 351596), (84, 339039), (87, 327348), (108, 263697), (116, 245511), (126, 226026), (162, 175798), (174, 163674), (189, 150684), (203, 140292), (252, 113013), (261, 109116), (324, 87899), (348, 81837), (378, 75342), (406, 70146), (433, 65772), (522, 54558), (567, 50228), (609, 46764), (756, 37671), (783, 36372), (812, 35073), (866, 32886), (1044, 27279), (1134, 25114), (1218, 23382), (1299, 21924), (1566, 18186), (1732, 16443), (1827, 15588), (2268, 12557), (2349, 12124), (2436, 11691), (2598, 10962), (3031, 9396), (3132, 9093), (3654, 7794), (3897, 7308), (4698, 6062), (5196, 5481)]