2156249942

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{2689}}^1$

素因数の和:2877

約数の個数: 64

約数和(自身を含む): 4164894720

約数和(自身を除く): 2008644778

約数列:

[1, 2, 7, 11, 14, 22, 41, 77, 82, 127, 154, 254, 287, 451, 574, 889, 902, 1397, 1778, 2689, 2794, 3157, 5207, 5378, 6314, 9779, 10414, 18823, 19558, 29579, 36449, 37646, 57277, 59158, 72898, 110249, 114554, 207053, 220498, 341503, 400939, 414106, 683006, 771743, 801878, 1212739, 1543486, 2390521, 2425478, 3756533, 4781042, 7513066, 8489173, 14001623, 16978346, 26295731, 28003246, 52591462, 98011361, 154017853, 196022722, 308035706, 1078124971, 2156249942]

約数ペア:

[(1, 2156249942), (2, 1078124971), (7, 308035706), (11, 196022722), (14, 154017853), (22, 98011361), (41, 52591462), (77, 28003246), (82, 26295731), (127, 16978346), (154, 14001623), (254, 8489173), (287, 7513066), (451, 4781042), (574, 3756533), (889, 2425478), (902, 2390521), (1397, 1543486), (1778, 1212739), (2689, 801878), (2794, 771743), (3157, 683006), (5207, 414106), (5378, 400939), (6314, 341503), (9779, 220498), (10414, 207053), (18823, 114554), (19558, 110249), (29579, 72898), (36449, 59158), (37646, 57277)]