1316530816

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{1291}}^1$

素因数の和:1593

約数の個数: 64

約数和(自身を含む): 2720021760

約数和(自身を除く): 1403490944

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 257, 496, 514, 992, 1028, 1291, 1984, 2056, 2582, 3968, 4112, 5164, 7967, 8224, 10328, 15934, 16448, 20656, 31868, 32896, 40021, 41312, 63736, 80042, 82624, 127472, 160084, 165248, 254944, 320168, 331787, 509888, 640336, 663574, 1019776, 1280672, 1327148, 2561344, 2654296, 5122688, 5308592, 10285397, 10617184, 20570794, 21234368, 41141588, 42468736, 82283176, 164566352, 329132704, 658265408, 1316530816]

約数ペア:

[(1, 1316530816), (2, 658265408), (4, 329132704), (8, 164566352), (16, 82283176), (31, 42468736), (32, 41141588), (62, 21234368), (64, 20570794), (124, 10617184), (128, 10285397), (248, 5308592), (257, 5122688), (496, 2654296), (514, 2561344), (992, 1327148), (1028, 1280672), (1291, 1019776), (1984, 663574), (2056, 640336), (2582, 509888), (3968, 331787), (4112, 320168), (5164, 254944), (7967, 165248), (8224, 160084), (10328, 127472), (15934, 82624), (16448, 80042), (20656, 63736), (31868, 41312), (32896, 40021)]