81967644

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{461}}^1$

素因数の和:931

約数の個数: 72

約数和(自身を含む): 227026800

約数和(自身を除く): 145059156

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 449, 461, 898, 922, 1347, 1383, 1796, 1844, 2694, 2766, 4041, 4149, 4939, 5071, 5388, 5532, 8082, 8298, 9878, 10142, 14817, 15213, 16164, 16596, 19756, 20284, 29634, 30426, 44451, 45639, 59268, 60852, 88902, 91278, 177804, 182556, 206989, 413978, 620967, 827956, 1241934, 1862901, 2276879, 2483868, 3725802, 4553758, 6830637, 7451604, 9107516, 13661274, 20491911, 27322548, 40983822, 81967644]

約数ペア:

[(1, 81967644), (2, 40983822), (3, 27322548), (4, 20491911), (6, 13661274), (9, 9107516), (11, 7451604), (12, 6830637), (18, 4553758), (22, 3725802), (33, 2483868), (36, 2276879), (44, 1862901), (66, 1241934), (99, 827956), (132, 620967), (198, 413978), (396, 206989), (449, 182556), (461, 177804), (898, 91278), (922, 88902), (1347, 60852), (1383, 59268), (1796, 45639), (1844, 44451), (2694, 30426), (2766, 29634), (4041, 20284), (4149, 19756), (4939, 16596), (5071, 16164), (5388, 15213), (5532, 14817), (8082, 10142), (8298, 9878)]