208209904

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97843}}^1$

素因数の和:97877

約数の個数: 40

約数和(自身を含む): 485306240

約数和(自身を除く): 277096336

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 97843, 195686, 391372, 684901, 782744, 1369802, 1565488, 1859017, 2739604, 3718034, 5479208, 7436068, 10958416, 13013119, 14872136, 26026238, 29744272, 52052476, 104104952, 208209904]

約数ペア:

[(1, 208209904), (2, 104104952), (4, 52052476), (7, 29744272), (8, 26026238), (14, 14872136), (16, 13013119), (19, 10958416), (28, 7436068), (38, 5479208), (56, 3718034), (76, 2739604), (112, 1859017), (133, 1565488), (152, 1369802), (266, 782744), (304, 684901), (532, 391372), (1064, 195686), (2128, 97843)]