1618516

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:255

約数の個数: 24

約数和(自身を含む): 2963520

約数和(自身を除く): 1345004

約数列:

[1, 2, 4, 41, 71, 82, 139, 142, 164, 278, 284, 556, 2911, 5699, 5822, 9869, 11398, 11644, 19738, 22796, 39476, 404629, 809258, 1618516]

約数ペア:

[(1, 1618516), (2, 809258), (4, 404629), (41, 39476), (71, 22796), (82, 19738), (139, 11644), (142, 11398), (164, 9869), (278, 5822), (284, 5699), (556, 2911)]