164965888

素因数分解:

$2^9\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:247

約数の個数: 80

約数和(自身を含む): 345692160

約数和(自身を除く): 180726272

約数列:

[1, 2, 4, 8, 16, 32, 43, 59, 64, 86, 118, 127, 128, 172, 236, 254, 256, 344, 472, 508, 512, 688, 944, 1016, 1376, 1888, 2032, 2537, 2752, 3776, 4064, 5074, 5461, 5504, 7493, 7552, 8128, 10148, 10922, 11008, 14986, 15104, 16256, 20296, 21844, 22016, 29972, 30208, 32512, 40592, 43688, 59944, 65024, 81184, 87376, 119888, 162368, 174752, 239776, 322199, 324736, 349504, 479552, 644398, 649472, 699008, 959104, 1288796, 1298944, 1398016, 1918208, 2577592, 2796032, 3836416, 5155184, 10310368, 20620736, 41241472, 82482944, 164965888]

約数ペア:

[(1, 164965888), (2, 82482944), (4, 41241472), (8, 20620736), (16, 10310368), (32, 5155184), (43, 3836416), (59, 2796032), (64, 2577592), (86, 1918208), (118, 1398016), (127, 1298944), (128, 1288796), (172, 959104), (236, 699008), (254, 649472), (256, 644398), (344, 479552), (472, 349504), (508, 324736), (512, 322199), (688, 239776), (944, 174752), (1016, 162368), (1376, 119888), (1888, 87376), (2032, 81184), (2537, 65024), (2752, 59944), (3776, 43688), (4064, 40592), (5074, 32512), (5461, 30208), (5504, 29972), (7493, 22016), (7552, 21844), (8128, 20296), (10148, 16256), (10922, 15104), (11008, 14986)]