42156556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^2\times {\mathrm{367}}^1$

素因数の和:478

約数の個数: 36

約数和(自身を含む): 81396448

約数和(自身を除く): 39239892

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 188, 367, 611, 734, 1222, 1468, 2209, 2444, 4418, 4771, 8836, 9542, 17249, 19084, 28717, 34498, 57434, 68996, 114868, 224237, 448474, 810703, 896948, 1621406, 3242812, 10539139, 21078278, 42156556]

約数ペア:

[(1, 42156556), (2, 21078278), (4, 10539139), (13, 3242812), (26, 1621406), (47, 896948), (52, 810703), (94, 448474), (188, 224237), (367, 114868), (611, 68996), (734, 57434), (1222, 34498), (1468, 28717), (2209, 19084), (2444, 17249), (4418, 9542), (4771, 8836)]