201385426

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{212881}}^1$

素因数の和:212937

約数の個数: 16

約数和(自身を含む): 337205088

約数和(自身を除く): 135819662

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 212881, 425762, 2341691, 4683382, 9153883, 18307766, 100692713, 201385426]

約数ペア:

[(1, 201385426), (2, 100692713), (11, 18307766), (22, 9153883), (43, 4683382), (86, 2341691), (473, 425762), (946, 212881)]