258444706

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{7457}}^1$

素因数の和:7546

約数の個数: 32

約数和(自身を含む): 441036288

約数和(自身を除く): 182591582

約数列:

[1, 2, 13, 26, 31, 43, 62, 86, 403, 559, 806, 1118, 1333, 2666, 7457, 14914, 17329, 34658, 96941, 193882, 231167, 320651, 462334, 641302, 3005171, 4168463, 6010342, 8336926, 9940181, 19880362, 129222353, 258444706]

約数ペア:

[(1, 258444706), (2, 129222353), (13, 19880362), (26, 9940181), (31, 8336926), (43, 6010342), (62, 4168463), (86, 3005171), (403, 641302), (559, 462334), (806, 320651), (1118, 231167), (1333, 193882), (2666, 96941), (7457, 34658), (14914, 17329)]