646145032

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{2447}}^1\times {\mathrm{2539}}^1$

素因数の和:5005

約数の個数: 32

約数和(自身を含む): 1305763200

約数和(自身を除く): 659618168

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 2447, 2539, 4894, 5078, 9788, 10156, 19576, 20312, 31811, 33007, 63622, 66014, 127244, 132028, 254488, 264056, 6212933, 12425866, 24851732, 49703464, 80768129, 161536258, 323072516, 646145032]

約数ペア:

[(1, 646145032), (2, 323072516), (4, 161536258), (8, 80768129), (13, 49703464), (26, 24851732), (52, 12425866), (104, 6212933), (2447, 264056), (2539, 254488), (4894, 132028), (5078, 127244), (9788, 66014), (10156, 63622), (19576, 33007), (20312, 31811)]