123418945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{569}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 165473280

約数和(自身を除く): 42054335

約数列:

[1, 5, 13, 47, 65, 71, 235, 355, 569, 611, 923, 2845, 3055, 3337, 4615, 7397, 16685, 26743, 36985, 40399, 43381, 133715, 201995, 216905, 347659, 525187, 1738295, 1898753, 2625935, 9493765, 24683789, 123418945]

約数ペア:

[(1, 123418945), (5, 24683789), (13, 9493765), (47, 2625935), (65, 1898753), (71, 1738295), (235, 525187), (355, 347659), (569, 216905), (611, 201995), (923, 133715), (2845, 43381), (3055, 40399), (3337, 36985), (4615, 26743), (7397, 16685)]