155878784

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:407

約数の個数: 64

約数和(自身を含む): 321699840

約数和(自身を除く): 165821056

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 127, 128, 172, 223, 254, 344, 446, 508, 688, 892, 1016, 1376, 1784, 2032, 2752, 3568, 4064, 5461, 5504, 7136, 8128, 9589, 10922, 14272, 16256, 19178, 21844, 28321, 28544, 38356, 43688, 56642, 76712, 87376, 113284, 153424, 174752, 226568, 306848, 349504, 453136, 613696, 699008, 906272, 1217803, 1227392, 1812544, 2435606, 3625088, 4871212, 9742424, 19484848, 38969696, 77939392, 155878784]

約数ペア:

[(1, 155878784), (2, 77939392), (4, 38969696), (8, 19484848), (16, 9742424), (32, 4871212), (43, 3625088), (64, 2435606), (86, 1812544), (127, 1227392), (128, 1217803), (172, 906272), (223, 699008), (254, 613696), (344, 453136), (446, 349504), (508, 306848), (688, 226568), (892, 174752), (1016, 153424), (1376, 113284), (1784, 87376), (2032, 76712), (2752, 56642), (3568, 43688), (4064, 38356), (5461, 28544), (5504, 28321), (7136, 21844), (8128, 19178), (9589, 16256), (10922, 14272)]