188712890

素因数分解:

$2^1\times 5^1\times {\mathrm{283}}^1\times {\mathrm{66683}}^1$

素因数の和:66973

約数の個数: 16

約数和(自身を含む): 340888608

約数和(自身を除く): 152175718

約数列:

[1, 2, 5, 10, 283, 566, 1415, 2830, 66683, 133366, 333415, 666830, 18871289, 37742578, 94356445, 188712890]

約数ペア:

[(1, 188712890), (2, 94356445), (5, 37742578), (10, 18871289), (283, 666830), (566, 333415), (1415, 133366), (2830, 66683)]