389009642

素因数分解:

$2^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{143971}}^1$

素因数の和:144173

約数の個数: 16

約数和(自身を含む): 670333632

約数和(自身を除く): 281323990

約数列:

[1, 2, 7, 14, 193, 386, 1351, 2702, 143971, 287942, 1007797, 2015594, 27786403, 55572806, 194504821, 389009642]

約数ペア:

[(1, 389009642), (2, 194504821), (7, 55572806), (14, 27786403), (193, 2015594), (386, 1007797), (1351, 287942), (2702, 143971)]