128496788

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{647}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 265192704

約数和(自身を除く): 136695916

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 173, 287, 346, 574, 647, 692, 1148, 1211, 1294, 2422, 2588, 4529, 4844, 7093, 9058, 14186, 18116, 26527, 28372, 49651, 53054, 99302, 106108, 111931, 185689, 198604, 223862, 371378, 447724, 742756, 783517, 1567034, 3134068, 4589171, 9178342, 18356684, 32124197, 64248394, 128496788]

約数ペア:

[(1, 128496788), (2, 64248394), (4, 32124197), (7, 18356684), (14, 9178342), (28, 4589171), (41, 3134068), (82, 1567034), (164, 783517), (173, 742756), (287, 447724), (346, 371378), (574, 223862), (647, 198604), (692, 185689), (1148, 111931), (1211, 106108), (1294, 99302), (2422, 53054), (2588, 49651), (4529, 28372), (4844, 26527), (7093, 18116), (9058, 14186)]