1778764030

素因数分解:

$2^1\times 5^1\times {\mathrm{1283}}^1\times {\mathrm{138641}}^1$

素因数の和:139931

約数の個数: 16

約数和(自身を含む): 3204293904

約数和(自身を除く): 1425529874

約数列:

[1, 2, 5, 10, 1283, 2566, 6415, 12830, 138641, 277282, 693205, 1386410, 177876403, 355752806, 889382015, 1778764030]

約数ペア:

[(1, 1778764030), (2, 889382015), (5, 355752806), (10, 177876403), (1283, 1386410), (2566, 693205), (6415, 277282), (12830, 138641)]