1981198768

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{593}}^1$

素因数の和:862

約数の個数: 80

約数和(自身を含む): 4152430656

約数和(自身を除く): 2171231888

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 71, 136, 142, 173, 272, 284, 346, 568, 593, 692, 1136, 1186, 1207, 1384, 2372, 2414, 2768, 2941, 4744, 4828, 5882, 9488, 9656, 10081, 11764, 12283, 19312, 20162, 23528, 24566, 40324, 42103, 47056, 49132, 80648, 84206, 98264, 102589, 161296, 168412, 196528, 205178, 208811, 336824, 410356, 417622, 673648, 715751, 820712, 835244, 1431502, 1641424, 1670488, 1744013, 2863004, 3340976, 3488026, 5726008, 6976052, 7283819, 11452016, 13952104, 14567638, 27904208, 29135276, 58270552, 116541104, 123824923, 247649846, 495299692, 990599384, 1981198768]

約数ペア:

[(1, 1981198768), (2, 990599384), (4, 495299692), (8, 247649846), (16, 123824923), (17, 116541104), (34, 58270552), (68, 29135276), (71, 27904208), (136, 14567638), (142, 13952104), (173, 11452016), (272, 7283819), (284, 6976052), (346, 5726008), (568, 3488026), (593, 3340976), (692, 2863004), (1136, 1744013), (1186, 1670488), (1207, 1641424), (1384, 1431502), (2372, 835244), (2414, 820712), (2768, 715751), (2941, 673648), (4744, 417622), (4828, 410356), (5882, 336824), (9488, 208811), (9656, 205178), (10081, 196528), (11764, 168412), (12283, 161296), (19312, 102589), (20162, 98264), (23528, 84206), (24566, 80648), (40324, 49132), (42103, 47056)]