221428284

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{239641}}^1$

素因数の和:239666

約数の個数: 48

約数和(自身を含む): 644157696

約数和(自身を除く): 422729412

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 239641, 479282, 718923, 958564, 1437846, 1677487, 2636051, 2875692, 3354974, 5032461, 5272102, 6709948, 7908153, 10064922, 10544204, 15816306, 18452357, 20129844, 31632612, 36904714, 55357071, 73809428, 110714142, 221428284]

約数ペア:

[(1, 221428284), (2, 110714142), (3, 73809428), (4, 55357071), (6, 36904714), (7, 31632612), (11, 20129844), (12, 18452357), (14, 15816306), (21, 10544204), (22, 10064922), (28, 7908153), (33, 6709948), (42, 5272102), (44, 5032461), (66, 3354974), (77, 2875692), (84, 2636051), (132, 1677487), (154, 1437846), (231, 958564), (308, 718923), (462, 479282), (924, 239641)]