210938768

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{321553}}^1$

素因数の和:321602

約数の個数: 20

約数和(自身を含む): 418663308

約数和(自身を除く): 207724540

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 321553, 643106, 1286212, 2572424, 5144848, 13183673, 26367346, 52734692, 105469384, 210938768]

約数ペア:

[(1, 210938768), (2, 105469384), (4, 52734692), (8, 26367346), (16, 13183673), (41, 5144848), (82, 2572424), (164, 1286212), (328, 643106), (656, 321553)]