1997887328

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{383}}^1$

素因数の和:676

約数の個数: 96

約数和(自身を含む): 4291854336

約数和(自身を除く): 2293967008

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 43, 68, 86, 136, 172, 223, 272, 344, 383, 446, 544, 688, 731, 766, 892, 1376, 1462, 1532, 1784, 2924, 3064, 3568, 3791, 5848, 6128, 6511, 7136, 7582, 9589, 11696, 12256, 13022, 15164, 16469, 19178, 23392, 26044, 30328, 32938, 38356, 52088, 60656, 65876, 76712, 85409, 104176, 121312, 131752, 153424, 163013, 170818, 208352, 263504, 279973, 306848, 326026, 341636, 527008, 559946, 652052, 683272, 1119892, 1304104, 1366544, 1451953, 2239784, 2608208, 2733088, 2903906, 3672587, 4479568, 5216416, 5807812, 7345174, 8959136, 11615624, 14690348, 23231248, 29380696, 46462496, 58761392, 62433979, 117522784, 124867958, 249735916, 499471832, 998943664, 1997887328]

約数ペア:

[(1, 1997887328), (2, 998943664), (4, 499471832), (8, 249735916), (16, 124867958), (17, 117522784), (32, 62433979), (34, 58761392), (43, 46462496), (68, 29380696), (86, 23231248), (136, 14690348), (172, 11615624), (223, 8959136), (272, 7345174), (344, 5807812), (383, 5216416), (446, 4479568), (544, 3672587), (688, 2903906), (731, 2733088), (766, 2608208), (892, 2239784), (1376, 1451953), (1462, 1366544), (1532, 1304104), (1784, 1119892), (2924, 683272), (3064, 652052), (3568, 559946), (3791, 527008), (5848, 341636), (6128, 326026), (6511, 306848), (7136, 279973), (7582, 263504), (9589, 208352), (11696, 170818), (12256, 163013), (13022, 153424), (15164, 131752), (16469, 121312), (19178, 104176), (23392, 85409), (26044, 76712), (30328, 65876), (32938, 60656), (38356, 52088)]