388645790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{18341}}^1$

素因数の和:18524

約数の個数: 32

約数和(自身を含む): 758038176

約数和(自身を除く): 369392386

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 163, 326, 815, 1630, 2119, 4238, 10595, 18341, 21190, 36682, 91705, 183410, 238433, 476866, 1192165, 2384330, 2989583, 5979166, 14947915, 29895830, 38864579, 77729158, 194322895, 388645790]

約数ペア:

[(1, 388645790), (2, 194322895), (5, 77729158), (10, 38864579), (13, 29895830), (26, 14947915), (65, 5979166), (130, 2989583), (163, 2384330), (326, 1192165), (815, 476866), (1630, 238433), (2119, 183410), (4238, 91705), (10595, 36682), (18341, 21190)]