80490956

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{557}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 174113856

約数和(自身を除く): 93622900

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 397, 557, 794, 1114, 1588, 2228, 2779, 3899, 5161, 5558, 7241, 7798, 10322, 11116, 14482, 15596, 20644, 28964, 36127, 50687, 72254, 101374, 144508, 202748, 221129, 442258, 884516, 1547903, 2874677, 3095806, 5749354, 6191612, 11498708, 20122739, 40245478, 80490956]

約数ペア:

[(1, 80490956), (2, 40245478), (4, 20122739), (7, 11498708), (13, 6191612), (14, 5749354), (26, 3095806), (28, 2874677), (52, 1547903), (91, 884516), (182, 442258), (364, 221129), (397, 202748), (557, 144508), (794, 101374), (1114, 72254), (1588, 50687), (2228, 36127), (2779, 28964), (3899, 20644), (5161, 15596), (5558, 14482), (7241, 11116), (7798, 10322)]