13855205

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{823}}^1$

素因数の和:885

約数の個数: 32

約数和(自身を含む): 21041664

約数和(自身を除く): 7186459

約数列:

[1, 5, 7, 13, 35, 37, 65, 91, 185, 259, 455, 481, 823, 1295, 2405, 3367, 4115, 5761, 10699, 16835, 28805, 30451, 53495, 74893, 152255, 213157, 374465, 395863, 1065785, 1979315, 2771041, 13855205]

約数ペア:

[(1, 13855205), (5, 2771041), (7, 1979315), (13, 1065785), (35, 395863), (37, 374465), (65, 213157), (91, 152255), (185, 74893), (259, 53495), (455, 30451), (481, 28805), (823, 16835), (1295, 10699), (2405, 5761), (3367, 4115)]