998943664

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{383}}^1$

素因数の和:674

約数の個数: 80

約数和(自身を含む): 2111864832

約数和(自身を除く): 1112921168

約数列:

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

約数ペア:

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