289819726

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{148931}}^1$

素因数の和:149079

約数の個数: 16

約数和(自身を含む): 500411520

約数和(自身を除く): 210591794

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 148931, 297862, 1042517, 2085034, 20701409, 41402818, 144909863, 289819726]

約数ペア:

[(1, 289819726), (2, 144909863), (7, 41402818), (14, 20701409), (139, 2085034), (278, 1042517), (973, 297862), (1946, 148931)]