138954256

素因数分解:

$2^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{9769}}^1$

素因数の和:9911

約数の個数: 40

約数和(自身を含む): 310138880

約数和(自身を除く): 171184624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 127, 254, 508, 889, 1016, 1778, 2032, 3556, 7112, 9769, 14224, 19538, 39076, 68383, 78152, 136766, 156304, 273532, 547064, 1094128, 1240663, 2481326, 4962652, 8684641, 9925304, 17369282, 19850608, 34738564, 69477128, 138954256]

約数ペア:

[(1, 138954256), (2, 69477128), (4, 34738564), (7, 19850608), (8, 17369282), (14, 9925304), (16, 8684641), (28, 4962652), (56, 2481326), (112, 1240663), (127, 1094128), (254, 547064), (508, 273532), (889, 156304), (1016, 136766), (1778, 78152), (2032, 68383), (3556, 39076), (7112, 19538), (9769, 14224)]