257640732

素因数分解:

$2^2\times 3^2\times {\mathrm{691}}^1\times {\mathrm{10357}}^1$

素因数の和:11058

約数の個数: 36

約数和(自身を含む): 652263976

約数和(自身を除く): 394623244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 691, 1382, 2073, 2764, 4146, 6219, 8292, 10357, 12438, 20714, 24876, 31071, 41428, 62142, 93213, 124284, 186426, 372852, 7156687, 14313374, 21470061, 28626748, 42940122, 64410183, 85880244, 128820366, 257640732]

約数ペア:

[(1, 257640732), (2, 128820366), (3, 85880244), (4, 64410183), (6, 42940122), (9, 28626748), (12, 21470061), (18, 14313374), (36, 7156687), (691, 372852), (1382, 186426), (2073, 124284), (2764, 93213), (4146, 62142), (6219, 41428), (8292, 31071), (10357, 24876), (12438, 20714)]