157400008

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{18973}}^1$

素因数の和:19057

約数の個数: 32

約数和(自身を含む): 317624760

約数和(自身を除く): 160224752

約数列:

[1, 2, 4, 8, 17, 34, 61, 68, 122, 136, 244, 488, 1037, 2074, 4148, 8296, 18973, 37946, 75892, 151784, 322541, 645082, 1157353, 1290164, 2314706, 2580328, 4629412, 9258824, 19675001, 39350002, 78700004, 157400008]

約数ペア:

[(1, 157400008), (2, 78700004), (4, 39350002), (8, 19675001), (17, 9258824), (34, 4629412), (61, 2580328), (68, 2314706), (122, 1290164), (136, 1157353), (244, 645082), (488, 322541), (1037, 151784), (2074, 75892), (4148, 37946), (8296, 18973)]