197215655

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{2909}}^1$

素因数の和:3083

約数の個数: 32

約数和(自身を含む): 293328000

約数和(自身を除く): 96112345

約数列:

[1, 5, 7, 13, 35, 65, 91, 149, 455, 745, 1043, 1937, 2909, 5215, 9685, 13559, 14545, 20363, 37817, 67795, 101815, 189085, 264719, 433441, 1323595, 2167205, 3034087, 5634733, 15170435, 28173665, 39443131, 197215655]

約数ペア:

[(1, 197215655), (5, 39443131), (7, 28173665), (13, 15170435), (35, 5634733), (65, 3034087), (91, 2167205), (149, 1323595), (455, 433441), (745, 264719), (1043, 189085), (1937, 101815), (2909, 67795), (5215, 37817), (9685, 20363), (13559, 14545)]