81591592

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{967}}^1$

素因数の和:1225

約数の個数: 32

約数和(自身を含む): 156816000

約数和(自身を除く): 75224408

約数列:

[1, 2, 4, 8, 53, 106, 199, 212, 398, 424, 796, 967, 1592, 1934, 3868, 7736, 10547, 21094, 42188, 51251, 84376, 102502, 192433, 205004, 384866, 410008, 769732, 1539464, 10198949, 20397898, 40795796, 81591592]

約数ペア:

[(1, 81591592), (2, 40795796), (4, 20397898), (8, 10198949), (53, 1539464), (106, 769732), (199, 410008), (212, 384866), (398, 205004), (424, 192433), (796, 102502), (967, 84376), (1592, 51251), (1934, 42188), (3868, 21094), (7736, 10547)]