84320425

素因数分解:

$5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{4049}}^1$

素因数の和:4090

約数の個数: 36

約数和(自身を含む): 128814300

約数和(自身を除く): 44493875

約数列:

[1, 5, 7, 17, 25, 35, 49, 85, 119, 175, 245, 425, 595, 833, 1225, 2975, 4049, 4165, 20245, 20825, 28343, 68833, 101225, 141715, 198401, 344165, 481831, 708575, 992005, 1720825, 2409155, 3372817, 4960025, 12045775, 16864085, 84320425]

約数ペア:

[(1, 84320425), (5, 16864085), (7, 12045775), (17, 4960025), (25, 3372817), (35, 2409155), (49, 1720825), (85, 992005), (119, 708575), (175, 481831), (245, 344165), (425, 198401), (595, 141715), (833, 101225), (1225, 68833), (2975, 28343), (4049, 20825), (4165, 20245)]