78705904

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2909}}^1$

素因数の和:3025

約数の個数: 40

約数和(自身を含む): 162378000

約数和(自身を除く): 83672096

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 89, 152, 178, 304, 356, 712, 1424, 1691, 2909, 3382, 5818, 6764, 11636, 13528, 23272, 27056, 46544, 55271, 110542, 221084, 258901, 442168, 517802, 884336, 1035604, 2071208, 4142416, 4919119, 9838238, 19676476, 39352952, 78705904]

約数ペア:

[(1, 78705904), (2, 39352952), (4, 19676476), (8, 9838238), (16, 4919119), (19, 4142416), (38, 2071208), (76, 1035604), (89, 884336), (152, 517802), (178, 442168), (304, 258901), (356, 221084), (712, 110542), (1424, 55271), (1691, 46544), (2909, 27056), (3382, 23272), (5818, 13528), (6764, 11636)]