399966

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:208

約数の個数: 32

約数和(自身を含む): 933120

約数和(自身を除く): 533154

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 89, 107, 178, 214, 267, 321, 534, 623, 642, 749, 1246, 1498, 1869, 2247, 3738, 4494, 9523, 19046, 28569, 57138, 66661, 133322, 199983, 399966]

約数ペア:

[(1, 399966), (2, 199983), (3, 133322), (6, 66661), (7, 57138), (14, 28569), (21, 19046), (42, 9523), (89, 4494), (107, 3738), (178, 2247), (214, 1869), (267, 1498), (321, 1246), (534, 749), (623, 642)]