138398416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{9931}}^1$

素因数の和:10019

約数の個数: 40

約数和(自身を含む): 293113184

約数和(自身を除く): 154714768

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1742, 3484, 6968, 9931, 13936, 19862, 39724, 79448, 129103, 158896, 258206, 516412, 665377, 1032824, 1330754, 2065648, 2661508, 5323016, 8649901, 10646032, 17299802, 34599604, 69199208, 138398416]

約数ペア:

[(1, 138398416), (2, 69199208), (4, 34599604), (8, 17299802), (13, 10646032), (16, 8649901), (26, 5323016), (52, 2661508), (67, 2065648), (104, 1330754), (134, 1032824), (208, 665377), (268, 516412), (536, 258206), (871, 158896), (1072, 129103), (1742, 79448), (3484, 39724), (6968, 19862), (9931, 13936)]