631191743

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 789554304

約数和(自身を除く): 158362561

約数列:

[1, 7, 13, 91, 137, 197, 257, 959, 1379, 1781, 1799, 2561, 3341, 12467, 17927, 23387, 26989, 35209, 50629, 188923, 246463, 350857, 354403, 457717, 658177, 2455999, 3204019, 4607239, 6936173, 48553211, 90170249, 631191743]

約数ペア:

[(1, 631191743), (7, 90170249), (13, 48553211), (91, 6936173), (137, 4607239), (197, 3204019), (257, 2455999), (959, 658177), (1379, 457717), (1781, 354403), (1799, 350857), (2561, 246463), (3341, 188923), (12467, 50629), (17927, 35209), (23387, 26989)]