201328996

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{415969}}^1$

素因数の和:415995

約数の個数: 18

約数和(自身を含む): 387268070

約数和(自身を除く): 185939074

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 415969, 831938, 1663876, 4575659, 9151318, 18302636, 50332249, 100664498, 201328996]

約数ペア:

[(1, 201328996), (2, 100664498), (4, 50332249), (11, 18302636), (22, 9151318), (44, 4575659), (121, 1663876), (242, 831938), (484, 415969)]