290568404

素因数分解:

$2^2\times 7^1\times {\mathrm{2237}}^1\times {\mathrm{4639}}^1$

素因数の和:6887

約数の個数: 24

約数和(自身を含む): 581521920

約数和(自身を除く): 290953516

約数列:

[1, 2, 4, 7, 14, 28, 2237, 4474, 4639, 8948, 9278, 15659, 18556, 31318, 32473, 62636, 64946, 129892, 10377443, 20754886, 41509772, 72642101, 145284202, 290568404]

約数ペア:

[(1, 290568404), (2, 145284202), (4, 72642101), (7, 41509772), (14, 20754886), (28, 10377443), (2237, 129892), (4474, 64946), (4639, 62636), (8948, 32473), (9278, 31318), (15659, 18556)]