28972636

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{863}}^1$

素因数の和:994

約数の個数: 48

約数和(自身を含む): 63866880

約数和(自身を除く): 34894244

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 109, 154, 218, 308, 436, 763, 863, 1199, 1526, 1726, 2398, 3052, 3452, 4796, 6041, 8393, 9493, 12082, 16786, 18986, 24164, 33572, 37972, 66451, 94067, 132902, 188134, 265804, 376268, 658469, 1034737, 1316938, 2069474, 2633876, 4138948, 7243159, 14486318, 28972636]

約数ペア:

[(1, 28972636), (2, 14486318), (4, 7243159), (7, 4138948), (11, 2633876), (14, 2069474), (22, 1316938), (28, 1034737), (44, 658469), (77, 376268), (109, 265804), (154, 188134), (218, 132902), (308, 94067), (436, 66451), (763, 37972), (863, 33572), (1199, 24164), (1526, 18986), (1726, 16786), (2398, 12082), (3052, 9493), (3452, 8393), (4796, 6041)]