64498288

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{431}}^1$

素因数の和:685

約数の個数: 40

約数和(自身を含む): 128563200

約数和(自身を除く): 64064912

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 199, 376, 398, 431, 752, 796, 862, 1592, 1724, 3184, 3448, 6896, 9353, 18706, 20257, 37412, 40514, 74824, 81028, 85769, 149648, 162056, 171538, 324112, 343076, 686152, 1372304, 4031143, 8062286, 16124572, 32249144, 64498288]

約数ペア:

[(1, 64498288), (2, 32249144), (4, 16124572), (8, 8062286), (16, 4031143), (47, 1372304), (94, 686152), (188, 343076), (199, 324112), (376, 171538), (398, 162056), (431, 149648), (752, 85769), (796, 81028), (862, 74824), (1592, 40514), (1724, 37412), (3184, 20257), (3448, 18706), (6896, 9353)]