28555774

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:616

約数の個数: 32

約数和(自身を含む): 48384000

約数和(自身を除く): 19828226

約数列:

[1, 2, 13, 26, 31, 62, 71, 142, 403, 499, 806, 923, 998, 1846, 2201, 4402, 6487, 12974, 15469, 28613, 30938, 35429, 57226, 70858, 201097, 402194, 460577, 921154, 1098299, 2196598, 14277887, 28555774]

約数ペア:

[(1, 28555774), (2, 14277887), (13, 2196598), (26, 1098299), (31, 921154), (62, 460577), (71, 402194), (142, 201097), (403, 70858), (499, 57226), (806, 35429), (923, 30938), (998, 28613), (1846, 15469), (2201, 12974), (4402, 6487)]