288889315

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1597}}^1$

素因数の和:1660

約数の個数: 48

約数和(自身を含む): 428468544

約数和(自身を除く): 139579229

約数列:

[1, 5, 11, 13, 23, 55, 65, 115, 121, 143, 253, 299, 605, 715, 1265, 1495, 1573, 1597, 2783, 3289, 7865, 7985, 13915, 16445, 17567, 20761, 36179, 36731, 87835, 103805, 180895, 183655, 193237, 228371, 404041, 477503, 966185, 1141855, 2020205, 2387515, 2512081, 4444451, 5252533, 12560405, 22222255, 26262665, 57777863, 288889315]

約数ペア:

[(1, 288889315), (5, 57777863), (11, 26262665), (13, 22222255), (23, 12560405), (55, 5252533), (65, 4444451), (115, 2512081), (121, 2387515), (143, 2020205), (253, 1141855), (299, 966185), (605, 477503), (715, 404041), (1265, 228371), (1495, 193237), (1573, 183655), (1597, 180895), (2783, 103805), (3289, 87835), (7865, 36731), (7985, 36179), (13915, 20761), (16445, 17567)]