16640351

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{173}}^1$

素因数の和:351

約数の個数: 24

約数和(自身を含む): 21105504

約数和(自身を除く): 4465153

約数列:

[1, 7, 13, 49, 91, 151, 173, 637, 1057, 1211, 1963, 2249, 7399, 8477, 13741, 15743, 26123, 96187, 110201, 182861, 339599, 1280027, 2377193, 16640351]

約数ペア:

[(1, 16640351), (7, 2377193), (13, 1280027), (49, 339599), (91, 182861), (151, 110201), (173, 96187), (637, 26123), (1057, 15743), (1211, 13741), (1963, 8477), (2249, 7399)]