78909876

素因数分解:

$2^2\times 3^6\times {\mathrm{27061}}^1$

素因数の和:27083

約数の個数: 42

約数和(自身を含む): 207051362

約数和(自身を除く): 128141486

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2916, 27061, 54122, 81183, 108244, 162366, 243549, 324732, 487098, 730647, 974196, 1461294, 2191941, 2922588, 4383882, 6575823, 8767764, 13151646, 19727469, 26303292, 39454938, 78909876]

約数ペア:

[(1, 78909876), (2, 39454938), (3, 26303292), (4, 19727469), (6, 13151646), (9, 8767764), (12, 6575823), (18, 4383882), (27, 2922588), (36, 2191941), (54, 1461294), (81, 974196), (108, 730647), (162, 487098), (243, 324732), (324, 243549), (486, 162366), (729, 108244), (972, 81183), (1458, 54122), (2916, 27061)]