13440455

素因数分解:

$5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{461}}^1$

素因数の和:504

約数の個数: 32

約数和(自身を含む): 19958400

約数和(自身を除く): 6517945

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 343, 461, 595, 833, 1715, 2305, 3227, 4165, 5831, 7837, 16135, 22589, 29155, 39185, 54859, 112945, 158123, 274295, 384013, 790615, 1920065, 2688091, 13440455]

約数ペア:

[(1, 13440455), (5, 2688091), (7, 1920065), (17, 790615), (35, 384013), (49, 274295), (85, 158123), (119, 112945), (245, 54859), (343, 39185), (461, 29155), (595, 22589), (833, 16135), (1715, 7837), (2305, 5831), (3227, 4165)]