28860272

素因数分解:

$2^4\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1543}}^1$

素因数の和:1725

約数の個数: 40

約数和(自身を含む): 64329216

約数和(自身を除く): 35468944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 167, 334, 668, 1169, 1336, 1543, 2338, 2672, 3086, 4676, 6172, 9352, 10801, 12344, 18704, 21602, 24688, 43204, 86408, 172816, 257681, 515362, 1030724, 1803767, 2061448, 3607534, 4122896, 7215068, 14430136, 28860272]

約数ペア:

[(1, 28860272), (2, 14430136), (4, 7215068), (7, 4122896), (8, 3607534), (14, 2061448), (16, 1803767), (28, 1030724), (56, 515362), (112, 257681), (167, 172816), (334, 86408), (668, 43204), (1169, 24688), (1336, 21602), (1543, 18704), (2338, 12344), (2672, 10801), (3086, 9352), (4676, 6172)]