207911665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1019}}^1$

素因数の和:1153

約数の個数: 32

約数和(自身を含む): 278974080

約数和(自身を除く): 71062415

約数列:

[1, 5, 13, 43, 65, 73, 215, 365, 559, 949, 1019, 2795, 3139, 4745, 5095, 13247, 15695, 40807, 43817, 66235, 74387, 204035, 219085, 371935, 569621, 967031, 2848105, 3198641, 4835155, 15993205, 41582333, 207911665]

約数ペア:

[(1, 207911665), (5, 41582333), (13, 15993205), (43, 4835155), (65, 3198641), (73, 2848105), (215, 967031), (365, 569621), (559, 371935), (949, 219085), (1019, 204035), (2795, 74387), (3139, 66235), (4745, 43817), (5095, 40807), (13247, 15695)]