81887938

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{128351}}^1$

素因数の和:128393

約数の個数: 16

約数和(自身を含む): 138620160

約数和(自身を除く): 56732222

約数列:

[1, 2, 11, 22, 29, 58, 319, 638, 128351, 256702, 1411861, 2823722, 3722179, 7444358, 40943969, 81887938]

約数ペア:

[(1, 81887938), (2, 40943969), (11, 7444358), (22, 3722179), (29, 2823722), (58, 1411861), (319, 256702), (638, 128351)]