198486535

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1049}}^1$

素因数の和:1179

約数の個数: 32

約数和(自身を含む): 266716800

約数和(自身を除く): 68230265

約数列:

[1, 5, 13, 41, 65, 71, 205, 355, 533, 923, 1049, 2665, 2911, 4615, 5245, 13637, 14555, 37843, 43009, 68185, 74479, 189215, 215045, 372395, 559117, 968227, 2795585, 3053639, 4841135, 15268195, 39697307, 198486535]

約数ペア:

[(1, 198486535), (5, 39697307), (13, 15268195), (41, 4841135), (65, 3053639), (71, 2795585), (205, 968227), (355, 559117), (533, 372395), (923, 215045), (1049, 189215), (2665, 74479), (2911, 68185), (4615, 43009), (5245, 37843), (13637, 14555)]