221497136

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{104087}}^1$

素因数の和:104121

約数の個数: 40

約数和(自身を含む): 516276480

約数和(自身を除く): 294779344

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 104087, 208174, 416348, 728609, 832696, 1457218, 1665392, 1977653, 2914436, 3955306, 5828872, 7910612, 11657744, 13843571, 15821224, 27687142, 31642448, 55374284, 110748568, 221497136]

約数ペア:

[(1, 221497136), (2, 110748568), (4, 55374284), (7, 31642448), (8, 27687142), (14, 15821224), (16, 13843571), (19, 11657744), (28, 7910612), (38, 5828872), (56, 3955306), (76, 2914436), (112, 1977653), (133, 1665392), (152, 1457218), (266, 832696), (304, 728609), (532, 416348), (1064, 208174), (2128, 104087)]