28485170545

素因数分解:

$5^1\times {\mathrm{13}}^4\times {\mathrm{173}}^1\times {\mathrm{1153}}^1$

素因数の和:1383

約数の個数: 40

約数和(自身を含む): 37276974216

約数和(自身を除く): 8791803671

約数列:

[1, 5, 13, 65, 169, 173, 845, 865, 1153, 2197, 2249, 5765, 10985, 11245, 14989, 28561, 29237, 74945, 142805, 146185, 194857, 199469, 380081, 974285, 997345, 1900405, 2533141, 2593097, 4941053, 12665705, 12965485, 24705265, 32930833, 33710261, 164654165, 168551305, 438233393, 2191166965, 5697034109, 28485170545]

約数ペア:

[(1, 28485170545), (5, 5697034109), (13, 2191166965), (65, 438233393), (169, 168551305), (173, 164654165), (845, 33710261), (865, 32930833), (1153, 24705265), (2197, 12965485), (2249, 12665705), (5765, 4941053), (10985, 2593097), (11245, 2533141), (14989, 1900405), (28561, 997345), (29237, 974285), (74945, 380081), (142805, 199469), (146185, 194857)]