647332

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:451

約数の個数: 24

約数和(自身を含む): 1319360

約数和(自身を除く): 672028

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 379, 427, 758, 854, 1516, 1708, 2653, 5306, 10612, 23119, 46238, 92476, 161833, 323666, 647332]

約数ペア:

[(1, 647332), (2, 323666), (4, 161833), (7, 92476), (14, 46238), (28, 23119), (61, 10612), (122, 5306), (244, 2653), (379, 1708), (427, 1516), (758, 854)]