128523892

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{563}}^1$

素因数の和:868

約数の個数: 48

約数和(自身を含む): 266821632

約数和(自身を除く): 138297740

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 263, 434, 526, 563, 868, 1052, 1126, 1841, 2252, 3682, 3941, 7364, 7882, 8153, 15764, 16306, 17453, 32612, 34906, 57071, 69812, 114142, 122171, 148069, 228284, 244342, 296138, 488684, 592276, 1036483, 2072966, 4145932, 4590139, 9180278, 18360556, 32130973, 64261946, 128523892]

約数ペア:

[(1, 128523892), (2, 64261946), (4, 32130973), (7, 18360556), (14, 9180278), (28, 4590139), (31, 4145932), (62, 2072966), (124, 1036483), (217, 592276), (263, 488684), (434, 296138), (526, 244342), (563, 228284), (868, 148069), (1052, 122171), (1126, 114142), (1841, 69812), (2252, 57071), (3682, 34906), (3941, 32612), (7364, 17453), (7882, 16306), (8153, 15764)]