157430288

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{997}}^1$

素因数の和:1215

約数の個数: 40

約数和(自身を含む): 311855040

約数和(自身を除く): 154424752

約数列:

[1, 2, 4, 8, 16, 71, 139, 142, 278, 284, 556, 568, 997, 1112, 1136, 1994, 2224, 3988, 7976, 9869, 15952, 19738, 39476, 70787, 78952, 138583, 141574, 157904, 277166, 283148, 554332, 566296, 1108664, 1132592, 2217328, 9839393, 19678786, 39357572, 78715144, 157430288]

約数ペア:

[(1, 157430288), (2, 78715144), (4, 39357572), (8, 19678786), (16, 9839393), (71, 2217328), (139, 1132592), (142, 1108664), (278, 566296), (284, 554332), (556, 283148), (568, 277166), (997, 157904), (1112, 141574), (1136, 138583), (1994, 78952), (2224, 70787), (3988, 39476), (7976, 19738), (9869, 15952)]