161989744

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{76123}}^1$

素因数の和:76157

約数の個数: 40

約数和(自身を含む): 377575040

約数和(自身を除く): 215585296

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 76123, 152246, 304492, 532861, 608984, 1065722, 1217968, 1446337, 2131444, 2892674, 4262888, 5785348, 8525776, 10124359, 11570696, 20248718, 23141392, 40497436, 80994872, 161989744]

約数ペア:

[(1, 161989744), (2, 80994872), (4, 40497436), (7, 23141392), (8, 20248718), (14, 11570696), (16, 10124359), (19, 8525776), (28, 5785348), (38, 4262888), (56, 2892674), (76, 2131444), (112, 1446337), (133, 1217968), (152, 1065722), (266, 608984), (304, 532861), (532, 304492), (1064, 152246), (2128, 76123)]