28571872

素因数分解:

$2^5\times 7^1\times {\mathrm{229}}^1\times {\mathrm{557}}^1$

素因数の和:803

約数の個数: 48

約数和(自身を含む): 64683360

約数和(自身を除く): 36111488

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 229, 458, 557, 916, 1114, 1603, 1832, 2228, 3206, 3664, 3899, 4456, 6412, 7328, 7798, 8912, 12824, 15596, 17824, 25648, 31192, 51296, 62384, 124768, 127553, 255106, 510212, 892871, 1020424, 1785742, 2040848, 3571484, 4081696, 7142968, 14285936, 28571872]

約数ペア:

[(1, 28571872), (2, 14285936), (4, 7142968), (7, 4081696), (8, 3571484), (14, 2040848), (16, 1785742), (28, 1020424), (32, 892871), (56, 510212), (112, 255106), (224, 127553), (229, 124768), (458, 62384), (557, 51296), (916, 31192), (1114, 25648), (1603, 17824), (1832, 15596), (2228, 12824), (3206, 8912), (3664, 7798), (3899, 7328), (4456, 6412)]