641567224

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{953}}^1$

素因数の和:1124

約数の個数: 64

約数和(自身を含む): 1309651200

約数和(自身を除く): 668083976

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 103, 152, 172, 206, 344, 412, 817, 824, 953, 1634, 1906, 1957, 3268, 3812, 3914, 4429, 6536, 7624, 7828, 8858, 15656, 17716, 18107, 35432, 36214, 40979, 72428, 81958, 84151, 98159, 144856, 163916, 168302, 196318, 327832, 336604, 392636, 673208, 778601, 785272, 1557202, 1865021, 3114404, 3730042, 4220837, 6228808, 7460084, 8441674, 14920168, 16883348, 33766696, 80195903, 160391806, 320783612, 641567224]

約数ペア:

[(1, 641567224), (2, 320783612), (4, 160391806), (8, 80195903), (19, 33766696), (38, 16883348), (43, 14920168), (76, 8441674), (86, 7460084), (103, 6228808), (152, 4220837), (172, 3730042), (206, 3114404), (344, 1865021), (412, 1557202), (817, 785272), (824, 778601), (953, 673208), (1634, 392636), (1906, 336604), (1957, 327832), (3268, 196318), (3812, 168302), (3914, 163916), (4429, 144856), (6536, 98159), (7624, 84151), (7828, 81958), (8858, 72428), (15656, 40979), (17716, 36214), (18107, 35432)]