80611909

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 106375680

約数和(自身を除く): 25763771

約数列:

[1, 7, 17, 29, 47, 49, 71, 119, 203, 329, 493, 497, 799, 833, 1207, 1363, 1421, 2059, 2303, 3337, 3451, 3479, 5593, 8449, 9541, 14413, 23171, 23359, 24157, 35003, 39151, 56729, 59143, 66787, 96773, 100891, 162197, 163513, 245021, 397103, 677411, 1135379, 1645141, 1715147, 2779721, 4741877, 11515987, 80611909]

約数ペア:

[(1, 80611909), (7, 11515987), (17, 4741877), (29, 2779721), (47, 1715147), (49, 1645141), (71, 1135379), (119, 677411), (203, 397103), (329, 245021), (493, 163513), (497, 162197), (799, 100891), (833, 96773), (1207, 66787), (1363, 59143), (1421, 56729), (2059, 39151), (2303, 35003), (3337, 24157), (3451, 23359), (3479, 23171), (5593, 14413), (8449, 9541)]