2021940893

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{347}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 2405376000

約数和(自身を除く): 383435107

約数列:

[1, 7, 47, 89, 199, 329, 347, 623, 1393, 2429, 4183, 9353, 16309, 17711, 29281, 30883, 65471, 69053, 114163, 123977, 216181, 483371, 832417, 1451501, 3245491, 5826919, 6145717, 10160507, 22718437, 43020019, 288848699, 2021940893]

約数ペア:

[(1, 2021940893), (7, 288848699), (47, 43020019), (89, 22718437), (199, 10160507), (329, 6145717), (347, 5826919), (623, 3245491), (1393, 1451501), (2429, 832417), (4183, 483371), (9353, 216181), (16309, 123977), (17711, 114163), (29281, 69053), (30883, 65471)]