201521392

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{292909}}^1$

素因数の和:292960

約数の個数: 20

約数和(自身を含む): 399529240

約数和(自身を除く): 198007848

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 292909, 585818, 1171636, 2343272, 4686544, 12595087, 25190174, 50380348, 100760696, 201521392]

約数ペア:

[(1, 201521392), (2, 100760696), (4, 50380348), (8, 25190174), (16, 12595087), (43, 4686544), (86, 2343272), (172, 1171636), (344, 585818), (688, 292909)]