28457172

素因数分解:

$2^2\times 3^2\times {\mathrm{509}}^1\times {\mathrm{1553}}^1$

素因数の和:2072

約数の個数: 36

約数和(自身を含む): 72121140

約数和(自身を除く): 43663968

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 509, 1018, 1527, 1553, 2036, 3054, 3106, 4581, 4659, 6108, 6212, 9162, 9318, 13977, 18324, 18636, 27954, 55908, 790477, 1580954, 2371431, 3161908, 4742862, 7114293, 9485724, 14228586, 28457172]

約数ペア:

[(1, 28457172), (2, 14228586), (3, 9485724), (4, 7114293), (6, 4742862), (9, 3161908), (12, 2371431), (18, 1580954), (36, 790477), (509, 55908), (1018, 27954), (1527, 18636), (1553, 18324), (2036, 13977), (3054, 9318), (3106, 9162), (4581, 6212), (4659, 6108)]