211432892

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{111751}}^1$

素因数の和:111809

約数の個数: 24

約数和(自身を含む): 413035392

約数和(自身を除く): 201602500

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 111751, 223502, 447004, 1229261, 2458522, 4805293, 4917044, 9610586, 19221172, 52858223, 105716446, 211432892]

約数ペア:

[(1, 211432892), (2, 105716446), (4, 52858223), (11, 19221172), (22, 9610586), (43, 4917044), (44, 4805293), (86, 2458522), (172, 1229261), (473, 447004), (946, 223502), (1892, 111751)]