212157044

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{438341}}^1$

素因数の和:438367

約数の個数: 18

約数和(自身を含む): 408096402

約数和(自身を除く): 195939358

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 438341, 876682, 1753364, 4821751, 9643502, 19287004, 53039261, 106078522, 212157044]

約数ペア:

[(1, 212157044), (2, 106078522), (4, 53039261), (11, 19287004), (22, 9643502), (44, 4821751), (121, 1753364), (242, 876682), (484, 438341)]