640945458

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{15289}}^1$

素因数の和:15451

約数の個数: 48

約数和(自身を含む): 1481234040

約数和(自身を除く): 840288582

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 137, 153, 274, 306, 411, 822, 1233, 2329, 2466, 4658, 6987, 13974, 15289, 20961, 30578, 41922, 45867, 91734, 137601, 259913, 275202, 519826, 779739, 1559478, 2094593, 2339217, 4189186, 4678434, 6283779, 12567558, 18851337, 35608081, 37702674, 71216162, 106824243, 213648486, 320472729, 640945458]

約数ペア:

[(1, 640945458), (2, 320472729), (3, 213648486), (6, 106824243), (9, 71216162), (17, 37702674), (18, 35608081), (34, 18851337), (51, 12567558), (102, 6283779), (137, 4678434), (153, 4189186), (274, 2339217), (306, 2094593), (411, 1559478), (822, 779739), (1233, 519826), (2329, 275202), (2466, 259913), (4658, 137601), (6987, 91734), (13974, 45867), (15289, 41922), (20961, 30578)]