27810364

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{409}}^1$

素因数の和:693

約数の個数: 24

約数和(自身を含む): 49593600

約数和(自身を除く): 21783236

約数列:

[1, 2, 4, 89, 178, 191, 356, 382, 409, 764, 818, 1636, 16999, 33998, 36401, 67996, 72802, 78119, 145604, 156238, 312476, 6952591, 13905182, 27810364]

約数ペア:

[(1, 27810364), (2, 13905182), (4, 6952591), (89, 312476), (178, 156238), (191, 145604), (356, 78119), (382, 72802), (409, 67996), (764, 36401), (818, 33998), (1636, 16999)]