6640205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 9652608

約数和(自身を除く): 3012403

約数列:

[1, 5, 11, 13, 37, 55, 65, 143, 185, 251, 407, 481, 715, 1255, 2035, 2405, 2761, 3263, 5291, 9287, 13805, 16315, 26455, 35893, 46435, 102157, 120731, 179465, 510785, 603655, 1328041, 6640205]

約数ペア:

[(1, 6640205), (5, 1328041), (11, 603655), (13, 510785), (37, 179465), (55, 120731), (65, 102157), (143, 46435), (185, 35893), (251, 26455), (407, 16315), (481, 13805), (715, 9287), (1255, 5291), (2035, 3263), (2405, 2761)]