78968636

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{1621}}^1$

素因数の和:2285

約数の個数: 24

約数和(自身を含む): 145785360

約数和(自身を除く): 66816724

約数列:

[1, 2, 4, 19, 38, 76, 641, 1282, 1621, 2564, 3242, 6484, 12179, 24358, 30799, 48716, 61598, 123196, 1039061, 2078122, 4156244, 19742159, 39484318, 78968636]

約数ペア:

[(1, 78968636), (2, 39484318), (4, 19742159), (19, 4156244), (38, 2078122), (76, 1039061), (641, 123196), (1282, 61598), (1621, 48716), (2564, 30799), (3242, 24358), (6484, 12179)]