166206530

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{431}}^1\times {\mathrm{787}}^1$

素因数の和:1239

約数の個数: 48

約数和(自身を含む): 349266816

約数和(自身を除く): 183060286

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 431, 490, 787, 862, 1574, 2155, 3017, 3935, 4310, 5509, 6034, 7870, 11018, 15085, 21119, 27545, 30170, 38563, 42238, 55090, 77126, 105595, 192815, 211190, 339197, 385630, 678394, 1695985, 2374379, 3391970, 4748758, 11871895, 16620653, 23743790, 33241306, 83103265, 166206530]

約数ペア:

[(1, 166206530), (2, 83103265), (5, 33241306), (7, 23743790), (10, 16620653), (14, 11871895), (35, 4748758), (49, 3391970), (70, 2374379), (98, 1695985), (245, 678394), (431, 385630), (490, 339197), (787, 211190), (862, 192815), (1574, 105595), (2155, 77126), (3017, 55090), (3935, 42238), (4310, 38563), (5509, 30170), (6034, 27545), (7870, 21119), (11018, 15085)]