72890642

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{359}}^1\times {\mathrm{839}}^1$

素因数の和:1222

約数の個数: 24

約数和(自身を含む): 120657600

約数和(自身を除く): 47766958

約数列:

[1, 2, 11, 22, 121, 242, 359, 718, 839, 1678, 3949, 7898, 9229, 18458, 43439, 86878, 101519, 203038, 301201, 602402, 3313211, 6626422, 36445321, 72890642]

約数ペア:

[(1, 72890642), (2, 36445321), (11, 6626422), (22, 3313211), (121, 602402), (242, 301201), (359, 203038), (718, 101519), (839, 86878), (1678, 43439), (3949, 18458), (7898, 9229)]