81531881926

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{281}}^1\times {\mathrm{29243}}^1$

素因数の和:29589

約数の個数: 48

約数和(自身を含む): 138200008464

約数和(自身を除く): 56668126538

約数列:

[1, 2, 11, 22, 41, 82, 121, 242, 281, 451, 562, 902, 3091, 4961, 6182, 9922, 11521, 23042, 29243, 34001, 58486, 68002, 126731, 253462, 321673, 643346, 1198963, 1394041, 2397926, 2788082, 3538403, 7076806, 8217283, 13188593, 16434566, 26377186, 90390113, 145074523, 180780226, 290149046, 336908603, 673817206, 994291243, 1988582486, 3705994633, 7411989266, 40765940963, 81531881926]

約数ペア:

[(1, 81531881926), (2, 40765940963), (11, 7411989266), (22, 3705994633), (41, 1988582486), (82, 994291243), (121, 673817206), (242, 336908603), (281, 290149046), (451, 180780226), (562, 145074523), (902, 90390113), (3091, 26377186), (4961, 16434566), (6182, 13188593), (9922, 8217283), (11521, 7076806), (23042, 3538403), (29243, 2788082), (34001, 2397926), (58486, 1394041), (68002, 1198963), (126731, 643346), (253462, 321673)]