255555918

素因数分解:

$2^1\times 3^3\times {\mathrm{73}}^1\times {\mathrm{241}}^1\times {\mathrm{269}}^1$

素因数の和:594

約数の個数: 64

約数和(自身を含む): 580219200

約数和(自身を除く): 324663282

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 146, 219, 241, 269, 438, 482, 538, 657, 723, 807, 1314, 1446, 1614, 1971, 2169, 2421, 3942, 4338, 4842, 6507, 7263, 13014, 14526, 17593, 19637, 35186, 39274, 52779, 58911, 64829, 105558, 117822, 129658, 158337, 176733, 194487, 316674, 353466, 388974, 475011, 530199, 583461, 950022, 1060398, 1166922, 1750383, 3500766, 4732517, 9465034, 14197551, 28395102, 42592653, 85185306, 127777959, 255555918]

約数ペア:

[(1, 255555918), (2, 127777959), (3, 85185306), (6, 42592653), (9, 28395102), (18, 14197551), (27, 9465034), (54, 4732517), (73, 3500766), (146, 1750383), (219, 1166922), (241, 1060398), (269, 950022), (438, 583461), (482, 530199), (538, 475011), (657, 388974), (723, 353466), (807, 316674), (1314, 194487), (1446, 176733), (1614, 158337), (1971, 129658), (2169, 117822), (2421, 105558), (3942, 64829), (4338, 58911), (4842, 52779), (6507, 39274), (7263, 35186), (13014, 19637), (14526, 17593)]