28613872

素因数分解:

$2^4\times 7^1\times {\mathrm{449}}^1\times {\mathrm{569}}^1$

素因数の和:1033

約数の個数: 40

約数和(自身を含む): 63612000

約数和(自身を除く): 34998128

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 449, 569, 898, 1138, 1796, 2276, 3143, 3592, 3983, 4552, 6286, 7184, 7966, 9104, 12572, 15932, 25144, 31864, 50288, 63728, 255481, 510962, 1021924, 1788367, 2043848, 3576734, 4087696, 7153468, 14306936, 28613872]

約数ペア:

[(1, 28613872), (2, 14306936), (4, 7153468), (7, 4087696), (8, 3576734), (14, 2043848), (16, 1788367), (28, 1021924), (56, 510962), (112, 255481), (449, 63728), (569, 50288), (898, 31864), (1138, 25144), (1796, 15932), (2276, 12572), (3143, 9104), (3592, 7966), (3983, 7184), (4552, 6286)]