31213979

素因数分解:

${\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:434

約数の個数: 16

約数和(自身を含む): 33868800

約数和(自身を除く): 2654821

約数列:

[1, 19, 53, 139, 223, 1007, 2641, 4237, 7367, 11819, 30997, 139973, 224561, 588943, 1642841, 31213979]

約数ペア:

[(1, 31213979), (19, 1642841), (53, 588943), (139, 224561), (223, 139973), (1007, 30997), (2641, 11819), (4237, 7367)]