28381136

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13337}}^1$

素因数の和:13371

約数の個数: 40

約数和(自身を含む): 66156480

約数和(自身を除く): 37775344

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 13337, 26674, 53348, 93359, 106696, 186718, 213392, 253403, 373436, 506806, 746872, 1013612, 1493744, 1773821, 2027224, 3547642, 4054448, 7095284, 14190568, 28381136]

約数ペア:

[(1, 28381136), (2, 14190568), (4, 7095284), (7, 4054448), (8, 3547642), (14, 2027224), (16, 1773821), (19, 1493744), (28, 1013612), (38, 746872), (56, 506806), (76, 373436), (112, 253403), (133, 213392), (152, 186718), (266, 106696), (304, 93359), (532, 53348), (1064, 26674), (2128, 13337)]