8271978

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:371

約数の個数: 64

約数和(自身を含む): 20127744

約数和(自身を除く): 11855766

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 31, 33, 39, 62, 66, 78, 93, 143, 186, 286, 311, 341, 403, 429, 622, 682, 806, 858, 933, 1023, 1209, 1866, 2046, 2418, 3421, 4043, 4433, 6842, 8086, 8866, 9641, 10263, 12129, 13299, 19282, 20526, 24258, 26598, 28923, 44473, 57846, 88946, 106051, 125333, 133419, 212102, 250666, 266838, 318153, 375999, 636306, 751998, 1378663, 2757326, 4135989, 8271978]

約数ペア:

[(1, 8271978), (2, 4135989), (3, 2757326), (6, 1378663), (11, 751998), (13, 636306), (22, 375999), (26, 318153), (31, 266838), (33, 250666), (39, 212102), (62, 133419), (66, 125333), (78, 106051), (93, 88946), (143, 57846), (186, 44473), (286, 28923), (311, 26598), (341, 24258), (403, 20526), (429, 19282), (622, 13299), (682, 12129), (806, 10263), (858, 9641), (933, 8866), (1023, 8086), (1209, 6842), (1866, 4433), (2046, 4043), (2418, 3421)]