28712810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{2371}}^1$

素因数の和:2558

約数の個数: 32

約数和(自身を含む): 59432832

約数和(自身を除く): 30720022

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 173, 346, 865, 1211, 1730, 2371, 2422, 4742, 6055, 11855, 12110, 16597, 23710, 33194, 82985, 165970, 410183, 820366, 2050915, 2871281, 4101830, 5742562, 14356405, 28712810]

約数ペア:

[(1, 28712810), (2, 14356405), (5, 5742562), (7, 4101830), (10, 2871281), (14, 2050915), (35, 820366), (70, 410183), (173, 165970), (346, 82985), (865, 33194), (1211, 23710), (1730, 16597), (2371, 12110), (2422, 11855), (4742, 6055)]