161787136

素因数分解:

$2^8\times 7^1\times {\mathrm{137}}^1\times {\mathrm{659}}^1$

素因数の和:819

約数の個数: 72

約数和(自身を含む): 372335040

約数和(自身を除く): 210547904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 137, 224, 256, 274, 448, 548, 659, 896, 959, 1096, 1318, 1792, 1918, 2192, 2636, 3836, 4384, 4613, 5272, 7672, 8768, 9226, 10544, 15344, 17536, 18452, 21088, 30688, 35072, 36904, 42176, 61376, 73808, 84352, 90283, 122752, 147616, 168704, 180566, 245504, 295232, 361132, 590464, 631981, 722264, 1180928, 1263962, 1444528, 2527924, 2889056, 5055848, 5778112, 10111696, 11556224, 20223392, 23112448, 40446784, 80893568, 161787136]

約数ペア:

[(1, 161787136), (2, 80893568), (4, 40446784), (7, 23112448), (8, 20223392), (14, 11556224), (16, 10111696), (28, 5778112), (32, 5055848), (56, 2889056), (64, 2527924), (112, 1444528), (128, 1263962), (137, 1180928), (224, 722264), (256, 631981), (274, 590464), (448, 361132), (548, 295232), (659, 245504), (896, 180566), (959, 168704), (1096, 147616), (1318, 122752), (1792, 90283), (1918, 84352), (2192, 73808), (2636, 61376), (3836, 42176), (4384, 36904), (4613, 35072), (5272, 30688), (7672, 21088), (8768, 18452), (9226, 17536), (10544, 15344)]