78821896

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{971}}^1$

素因数の和:1189

約数の個数: 32

約数和(自身を含む): 151048800

約数和(自身を除く): 72226904

約数列:

[1, 2, 4, 8, 73, 139, 146, 278, 292, 556, 584, 971, 1112, 1942, 3884, 7768, 10147, 20294, 40588, 70883, 81176, 134969, 141766, 269938, 283532, 539876, 567064, 1079752, 9852737, 19705474, 39410948, 78821896]

約数ペア:

[(1, 78821896), (2, 39410948), (4, 19705474), (8, 9852737), (73, 1079752), (139, 567064), (146, 539876), (278, 283532), (292, 269938), (556, 141766), (584, 134969), (971, 81176), (1112, 70883), (1942, 40588), (3884, 20294), (7768, 10147)]