628628168

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{1409}}^1$

素因数の和:1710

約数の個数: 64

約数和(自身を含む): 1396915200

約数和(自身を除く): 768287032

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 257, 434, 514, 868, 1028, 1409, 1736, 1799, 2056, 2818, 3598, 5636, 7196, 7967, 9863, 11272, 14392, 15934, 19726, 31868, 39452, 43679, 55769, 63736, 78904, 87358, 111538, 174716, 223076, 305753, 349432, 362113, 446152, 611506, 724226, 1223012, 1448452, 2446024, 2534791, 2896904, 5069582, 10139164, 11225503, 20278328, 22451006, 44902012, 78578521, 89804024, 157157042, 314314084, 628628168]

約数ペア:

[(1, 628628168), (2, 314314084), (4, 157157042), (7, 89804024), (8, 78578521), (14, 44902012), (28, 22451006), (31, 20278328), (56, 11225503), (62, 10139164), (124, 5069582), (217, 2896904), (248, 2534791), (257, 2446024), (434, 1448452), (514, 1223012), (868, 724226), (1028, 611506), (1409, 446152), (1736, 362113), (1799, 349432), (2056, 305753), (2818, 223076), (3598, 174716), (5636, 111538), (7196, 87358), (7967, 78904), (9863, 63736), (11272, 55769), (14392, 43679), (15934, 39452), (19726, 31868)]