647390154

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{246907}}^1$

素因数の和:246954

約数の個数: 32

約数和(自身を含む): 1422190080

約数和(自身を除く): 774799926

約数列:

[1, 2, 3, 6, 19, 23, 38, 46, 57, 69, 114, 138, 437, 874, 1311, 2622, 246907, 493814, 740721, 1481442, 4691233, 5678861, 9382466, 11357722, 14073699, 17036583, 28147398, 34073166, 107898359, 215796718, 323695077, 647390154]

約数ペア:

[(1, 647390154), (2, 323695077), (3, 215796718), (6, 107898359), (19, 34073166), (23, 28147398), (38, 17036583), (46, 14073699), (57, 11357722), (69, 9382466), (114, 5678861), (138, 4691233), (437, 1481442), (874, 740721), (1311, 493814), (2622, 246907)]