398862724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^2\times {\mathrm{397}}^1$

素因数の和:692

約数の個数: 36

約数和(自身を含む): 759056844

約数和(自身を除く): 360194120

約数列:

[1, 2, 4, 13, 26, 52, 139, 278, 397, 556, 794, 1588, 1807, 3614, 5161, 7228, 10322, 19321, 20644, 38642, 55183, 77284, 110366, 220732, 251173, 502346, 717379, 1004692, 1434758, 2869516, 7670437, 15340874, 30681748, 99715681, 199431362, 398862724]

約数ペア:

[(1, 398862724), (2, 199431362), (4, 99715681), (13, 30681748), (26, 15340874), (52, 7670437), (139, 2869516), (278, 1434758), (397, 1004692), (556, 717379), (794, 502346), (1588, 251173), (1807, 220732), (3614, 110366), (5161, 77284), (7228, 55183), (10322, 38642), (19321, 20644)]