165120272

素因数分解:

$2^4\times {\mathrm{487}}^1\times {\mathrm{21191}}^1$

素因数の和:21686

約数の個数: 20

約数和(自身を含む): 320592576

約数和(自身を除く): 155472304

約数列:

[1, 2, 4, 8, 16, 487, 974, 1948, 3896, 7792, 21191, 42382, 84764, 169528, 339056, 10320017, 20640034, 41280068, 82560136, 165120272]

約数ペア:

[(1, 165120272), (2, 82560136), (4, 41280068), (8, 20640034), (16, 10320017), (487, 339056), (974, 169528), (1948, 84764), (3896, 42382), (7792, 21191)]