2161484

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:425

約数の個数: 24

約数和(自身を含む): 4113648

約数和(自身を除く): 1952164

約数列:

[1, 2, 4, 13, 26, 52, 197, 211, 394, 422, 788, 844, 2561, 2743, 5122, 5486, 10244, 10972, 41567, 83134, 166268, 540371, 1080742, 2161484]

約数ペア:

[(1, 2161484), (2, 1080742), (4, 540371), (13, 166268), (26, 83134), (52, 41567), (197, 10972), (211, 10244), (394, 5486), (422, 5122), (788, 2743), (844, 2561)]