28898772

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{953}}^1$

素因数の和:1005

約数の個数: 72

約数和(自身を含む): 81418176

約数和(自身を除く): 52519404

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 361, 399, 532, 722, 798, 953, 1083, 1444, 1596, 1906, 2166, 2527, 2859, 3812, 4332, 5054, 5718, 6671, 7581, 10108, 11436, 13342, 15162, 18107, 20013, 26684, 30324, 36214, 40026, 54321, 72428, 80052, 108642, 126749, 217284, 253498, 344033, 380247, 506996, 688066, 760494, 1032099, 1376132, 1520988, 2064198, 2408231, 4128396, 4816462, 7224693, 9632924, 14449386, 28898772]

約数ペア:

[(1, 28898772), (2, 14449386), (3, 9632924), (4, 7224693), (6, 4816462), (7, 4128396), (12, 2408231), (14, 2064198), (19, 1520988), (21, 1376132), (28, 1032099), (38, 760494), (42, 688066), (57, 506996), (76, 380247), (84, 344033), (114, 253498), (133, 217284), (228, 126749), (266, 108642), (361, 80052), (399, 72428), (532, 54321), (722, 40026), (798, 36214), (953, 30324), (1083, 26684), (1444, 20013), (1596, 18107), (1906, 15162), (2166, 13342), (2527, 11436), (2859, 10108), (3812, 7581), (4332, 6671), (5054, 5718)]