51996815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 69854400

約数和(自身を除く): 17857585

約数列:

[1, 5, 13, 41, 65, 109, 179, 205, 533, 545, 895, 1417, 2327, 2665, 4469, 7085, 7339, 11635, 19511, 22345, 36695, 58097, 95407, 97555, 253643, 290485, 477035, 799951, 1268215, 3999755, 10399363, 51996815]

約数ペア:

[(1, 51996815), (5, 10399363), (13, 3999755), (41, 1268215), (65, 799951), (109, 477035), (179, 290485), (205, 253643), (533, 97555), (545, 95407), (895, 58097), (1417, 36695), (2327, 22345), (2665, 19511), (4469, 11635), (7085, 7339)]