81403672

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{16333}}^1$

素因数の和:16435

約数の個数: 32

約数和(自身を含む): 176407200

約数和(自身を除く): 95003528

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 178, 356, 623, 712, 1246, 2492, 4984, 16333, 32666, 65332, 114331, 130664, 228662, 457324, 914648, 1453637, 2907274, 5814548, 10175459, 11629096, 20350918, 40701836, 81403672]

約数ペア:

[(1, 81403672), (2, 40701836), (4, 20350918), (7, 11629096), (8, 10175459), (14, 5814548), (28, 2907274), (56, 1453637), (89, 914648), (178, 457324), (356, 228662), (623, 130664), (712, 114331), (1246, 65332), (2492, 32666), (4984, 16333)]