138398572

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{971}}^1\times {\mathrm{2741}}^1$

素因数の和:3729

約数の個数: 24

約数和(自身を含む): 261191952

約数和(自身を除く): 122793380

約数列:

[1, 2, 4, 13, 26, 52, 971, 1942, 2741, 3884, 5482, 10964, 12623, 25246, 35633, 50492, 71266, 142532, 2661511, 5323022, 10646044, 34599643, 69199286, 138398572]

約数ペア:

[(1, 138398572), (2, 69199286), (4, 34599643), (13, 10646044), (26, 5323022), (52, 2661511), (971, 142532), (1942, 71266), (2741, 50492), (3884, 35633), (5482, 25246), (10964, 12623)]