90189316

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{23173}}^1$

素因数の和:23323

約数の個数: 24

約数和(自身を含む): 181684160

約数和(自身を除く): 91494844

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 23173, 46346, 92692, 162211, 324422, 648844, 3221047, 6442094, 12884188, 22547329, 45094658, 90189316]

約数ペア:

[(1, 90189316), (2, 45094658), (4, 22547329), (7, 12884188), (14, 6442094), (28, 3221047), (139, 648844), (278, 324422), (556, 162211), (973, 92692), (1946, 46346), (3892, 23173)]