28321436

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{739}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 59176320

約数和(自身を除く): 30854884

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 67, 134, 143, 268, 286, 572, 737, 739, 871, 1474, 1478, 1742, 2948, 2956, 3484, 8129, 9581, 9607, 16258, 19162, 19214, 32516, 38324, 38428, 49513, 99026, 105677, 198052, 211354, 422708, 544643, 643669, 1089286, 1287338, 2178572, 2574676, 7080359, 14160718, 28321436]

約数ペア:

[(1, 28321436), (2, 14160718), (4, 7080359), (11, 2574676), (13, 2178572), (22, 1287338), (26, 1089286), (44, 643669), (52, 544643), (67, 422708), (134, 211354), (143, 198052), (268, 105677), (286, 99026), (572, 49513), (737, 38428), (739, 38324), (871, 32516), (1474, 19214), (1478, 19162), (1742, 16258), (2948, 9607), (2956, 9581), (3484, 8129)]